What organ receives oxygen First during each circulatory cycle

Answers

Answer 1
the heart, more specifically the right side of the heart i believe
Answer 2
The right side of the heart receives oxygen during each circulatory cycle where it takes in oxygen and gets rid of carbon dioxide.

Related Questions

The different functions of the skeletal system include all of the following EXCEPT: *
a) Forms blood cells
b) Protects internal organs
c) Stores hormones
d) Assists movement

Which type(s) of muscle can contract without stimulation from the nervous system? *
a) skeletal only
b) skeletal and smooth
c) smooth and cardiac
d) cardiac only

Which of the following are events following fertilization? (Check all that apply. There may be more than one answer). *
a) Embryo develops into the fetus
b) Zygote cell rapidly divides
c) Embryo embeds into uterine wall
d) Zygote travels down the fallopian tube toward the uterus

Answers

Number 1 is C
And im not sure about the rest :(

Storing hormones, smooth and cardiac muscles are the correct answers.

Storing hormones is not function of skeleton system. Skeleton system protects internal organs such as heart, kidney and lungs etc. It is also responsible for the movement of the muscles as well as produces blood cells because of the presence of bone marrow.

Smooth and cardiac muscles can contract without nervous system stimulation because they are involuntary Muscle which is beyond the control of the nervous system so we can conclude that storing hormones, smooth and cardiac muscles are the correct answers.

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What sequence of events causes a dead zone?

Answers

Dead zones begin to form when excess nutrients, primarily nitrogen and phosphorus, enter coastal waters and help fertilize blooms of algae.
Hope this helps


1. Discuss how natural selection affects animal behavior and how behaviors can affect the survival of an animal species

Answers

Answer:

Animal behavior includes all the ways animals interact with other organisms and the physical environment. ... Behavior is shaped by natural selection. Many behaviors directly increase an organism's fitness, that is, they help it survive and reproduce.


Replicating the texture of shark skin to inhibit the ability of bacteria to attach to medical surface is an example of what application of biotechnology

A.Biochemical engineering
B. Biomimicry
C. Bioprospecting
D. Environmental biotechnology

Answers

Answer:

Biomimicry

Explanation:

The table below shows the average yearly temp at Ute in four locations near an ocean.

Location A —> 31
Location B —> 23
Location C —> 18
Location D —> 48
Average yearly temperature in four locations near an ocean.

At which location is the density most likely to be the greatest

Location A
Location B
Location C
Location D

Answers

/D/ if not might be B

Answer:

C

Explanation:

What are two main sources of genetic material found in viruses?

Answers

Answer:

Most have RNA or DNA as their genetic material, but they also consist of a virion, which has nucleic acid and a shell of protein.

Explanation:

14. A genotype is the
phenotype is the
that an individual has for a character, while the
of a character.
a. Physical traits; alleles
b. Expressed alleles; unexpressed alleles
C. Alleles from mom; alleles from dad
d. Set of alleles; physical appearance

Answers

Answer:

A genotype is the genetic alleles (combined one from each parent), and phenotype is the physical appearance of said trait.

Explanation:

With peas—

YY is the genotype

Yellow peas in the phenotype

What kind of energy is this?
The iron you used to iron your clothes.

Answers

Answer:

conduction

Explanation

conduction energy is through touching the object

What might happen to the Burmese python population over time as it reaches or
surpasses its carrying capacity in South Florida? How might other organisms in the
ecosystem be affected? What might happen to the population sizes of various types
of organisms in the Everglades?

Answers

Answer:

If the Burmese Python surpasses its carrying capacity, the other organisms might not have enough food, or there is barely a chance of survival for the pythons' prey. The population sizes of other organisms might go down, and go to..extinction :/.

Explanation:

If the Burmese Python exceeds its carrying capacity, other creatures may starve or the pythons' prey may not survive. Other creatures' populations may go extinct.

What is carrying capacity?

The typical number of individuals belonging to a species that are found in a given ecosystem is one definition of carrying capacity. The population size of the species is restricted by environmental conditions such as the availability of sufficient food, shelter, water, and mates. In the event that these requirements are not fulfilled, the population will continue to decline until the resource levels recover.

Therefore, if the Burmese Python population grows above its carrying capacity, the other creatures in the area may not have access to enough food, and the prey of the pythons will have an extremely low chance of surviving. It is possible that the population sizes of other organisms will decrease, leading to their eventual extinction.

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Why is it difficult for scientist to find fossils from the pre-Cambrian period

Answers

Because Precambrian rocks are in short supply, hence fossil evidence is harder to find.they only discovers sections of some Precambrian rocks there were no bones or shells to be permineralized.

Deserts are only found near the equator.
Please select the best answer from the choices provided
T
F

Answers

Answer:

False

Explanation:

Answer:

False

Explanation:

Many deserts are not located around the equator with the most common example of this being the Gobi desert. Some books even contain the information that the Arctic and the Antarctic are deserts as well and they are located on the poles.

Assume that producers in an ecosystem have 1,000,000 kilocalories of energy. How much energy is available to primary
consumers?
5. Which trophic level has the greatest biomass?

Answers

Assuming that producers in an ecosystem have 1,000,000 kilocalories of energy, 100,000 Kilocalories of energy would be available to primary consumers.Producers is the trophic level with the greatest biomass

HOW IS ENERGY TRANSFERRED:In a food chain, energy is being transferred when one organism in a particular trophic level feeds on another organism in a lower trophic level.

The lowest trophic level contains the producers, which are organisms that start the food chain. However, only about 10% of energy is available to the organism in the next trophic level as 90% is lost as heat.

Therefore, according to this question, if it is assumed that that producers in an ecosystem have 1,000,000 kilocalories of energy; 10/100 × 1,000,000 = 100,000 kilocalories of energy will be available to primary consumers.

WHAT IS BIOMASS:The total biomass of an organism in each trophic level decreases going up. This is due to the lesser energy transferred from one trophic level to the next.

As the trophic level increases, lower energy is available to convert into biomass. Hence, the higher the trophic level, the lower the biomass.

Therefore, if this is the case, the producers at the first trophic level will contain the greatest biomass which will decrease as the food chain progresses upwards.

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Before mitosis begins, which happens before the nucleus starts dividing?
The DNA replicates.
The cytoplasm separates.
The sister chromatids separate.
The homologous chromosomes cross over.

Answers

Answer:

The DNA replicates.

Before mitosis begins, the DNA replicates. During the S phase of interphase, which precedes mitosis, the DNA in the nucleus undergoes replication, resulting in the formation of identical sister chromatids.

This ensures that each daughter cell produced during mitosis receives a complete set of genetic information.

After DNA replication, the cell enters the mitotic phase, during which the nucleus divides and the replicated DNA is distributed to the daughter cells.

The cytoplasm separates during cytokinesis, which occurs after mitosis and is not directly related to events before nucleus division. The separation of sister chromatids occurs during anaphase of mitosis, not before the nucleus starts dividing.

Thus, the process of homologous chromosomes crossing over occurs during meiosis, not mitosis.

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What is a drug?
What is the difference between medicines and recreational drugs ?
Give two examples of legal recreational drugs?
Give two example of illegal (against the law) drugs?
What is a depressant?
Give two effects that a depressant drug has on the body.
Give two long term effect of taking a depressant drug.
What is a stimulant?
Give one example of a legal stimulant and one example of an illegal stimulant.
What are the effects of taking a stimulant?

Answers

Answer:

recreational - enjoyment i.e. weed, alcohol (legal)

shrooms, lsd (illegal)

liver or lung failure

stimulant- helps asthma and other things example. dexedrine

the effects of taking stimulants is loss of appetite, increased heart rate, elevated blood pressure and body temperature, interrupted sleep patterns, panic, hallucinations, and irritability.

also a drug is a medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body.

Drug- type of medication used to help pain or to get over something

#2- one is just for fun and one is to actually help you

#3- Alcohol Beverages or Cigarettes/ Tobacco

#4- Molly or Cannabis

#5- sleeping pills

#6- will make you depressed, sad

#7- I don’t know

#8- speed up the brain

#9- legal- nicotine, illegal- cocaine I think

#10- can make you feel more awake, alive

In fruit flies, the gene for eye color is located on the X chromosome, and the red eye allele (R) is dominant
to the white eye allele (r). A carrier female is mated with a male fly with genotype X
rY. Which of the
following statements best describes the expected outcome of the cross?
a. The chance of an offspring having red eyes is 75%
b. The chance of an offspring having white eyes is 50%
c. The chance that a male offspring will have white eyes is 0%
d. The chance that a female offspring will have red eyes is 100%

Answers

Answer:

b. The chance of an offspring having white eyes is 50%

Explanation:

So the genotype of the male fly is X^r Y. This means the male has white eyes because he only has one X chromosome, so he will express whatever allele is on that chromosome.

The genotype of the female fly, though, is X^R X^r. This is because carriers are heterozygous for traits, and the sex chromosomes of most females is XX (with some exceptions, like XXX, or X (Turner syndrome)).

If we cross this, what are the outcomes? Do a Punnett square. You get the genotypes of X^r X^R, X^r X^r, X^R Y, and X^r Y. The expected phenotypes are a red eye female, white eye female, red eye male, and white eye male.

Now, let's look at the choices:

A.: The chance of an offspring having red eyes is not 75%; it is 50%.

B.: The chance of an offspring having white eyes is 50%!!!

C.: The chance that a male offspring will have white eyes is 50%, not 0%.

D.: The chance that a male offspring will have white eyes is 50%, not 100%.

Sooo, it's B!

A long fetch will produce low, slow waves. True False

Answers

Answer:

False?

Explanation:

A long fetch will produce Large waves.

It is false ! Have a great day today ! Have a nice summer ! <3

Some single-celled organisms make copies of themselves through mitosis. Which decribes the function of the cell cycle in such single-celled organisms?
reproduction
repair
growth
protection

Answers

Answer:

The answer is A

Explanation:

Answer:a

Explanation: i just took the test

Kendra was removed from the voting committee for Homecoming King because one
of the nominees was her boyfriend. Why was she removed?
bias
stereotype
OOO
manipulation of information
vested interest

Answers

Answer:

Bias

Explanation:

definitely because she could have been biased

Which statements correctly describe Arizona’s legislative branch? Check all that apply.

The House is made up of 30 members.
The Senate is made up of 30 members.
The House has 16 standing committees.
Bills passed by the House go directly to the Governor.
Members are elected by Arizona’s citizens.

Answers

The very last one would be correct

Answer:

b. The Senate is made up of 30 members

c. The House has 16 standing committees

e. Members are elected by Arizona's citizens

Explanation:

got it 100% right on EDGE 2021

Examine the picture of an onion root tip with cells in various stages of the cell cycle. A student claims that interphase is the longest stage of the cell cycle. Another student claims that mitosis is the longest stage. Using evidence from the photo, determine which student is correct and why. A) Mitosis is the longest stage because anaphase requires more time to separate chromatids. B) Interphase is the longest stage because chromosomes are visible in the majority of the cells. C) Mitosis is the longest stage because the majority of the cells in the photo are replicating their DNA. D) Interphase is the longest stage because the majority of the cells in the photo have uncondensed chromatin and are not dividing.

Answers

Answer:

B

Explanation:

the longest phase in the cell division is interphase because the DNA replication occurs in this phase

As per the image interphase is the longest stage because the majority of the cells in the photo have uncondensed chromatin and are not dividing. The correct option is D.

What is cell cycle?

The cell cycle, also known as the cell-division cycle, is the sequence of events that occurs in a cell that causes it to divide into two daughter cells.

A cell cycle is the series of events that takes place in a cell as it grows as well as divides.

A cell spends the majority of its time in what is known as interphase, where it grows, replicates its chromosomes, and prepares for cell division. The cell then exits interphase, goes through mitosis, and divides completely.

Interphase is the longest stage, according to the image, since the maximum of the cells in the photo have uncondensed chromatin as well as are not dividing.

Thus, the correct option is D.

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Your question seems incomplete, the missing image is attached below:

During the last century, both global temperatures and men’s average height have increased. Do these correlated trends mean that the increase in men’s height caused the increase in global temperature? yes ___ no ___ Explain why or why not.

Answers

No


There’s no direct correlation between the Earth temperature and the height of men. In fact, the countries that have the tallest men, are also usually the coldest

How does light behave around opaque, transparent and translucent
Need answer ASAP please
NO copy and paste thanks!

Answers

Answer:

Transparent objects allow all the light to pass through them. Opaque ones allow no light to pass through. Translucent allows light to go through but the area in it is no visible to determine the object

Explanation:

Think of Transparent as a window u can see straight through it is clear.Think of Translucent as a window with cold fog on the window light can come through it but you can't see whats outside.Think of Opaque as a black chalkboard light reflect on it but light cannot go through it

Answer:

Transparent: light will completely pass through and is very visible through the transparent object. For example, sunlight through a window

Translucent: some light will pass through, will be somewhat visible. For example, if you put a flashlight or your phones flash against a piece of paper, the light will pass through but not as much as light through a window

Opaque: you will not be able to see light through an opaque object, for example, putting a flashlight against a large book or a rock. No light will pass through the object.

Hope this helped :)

So i forgot what the genetic code is and how its read can somebody please be kind and help me..

Answers

Answer:

i d

Explanation:

DescriptionThe genetic code is the set of rules used by living cells to translate information encoded within genetic material into proteins. adenine(A), cytosine (C),guanine(G), thymine(T) are the “letters” of the DNA code.

What percent of the offspring will be red, if we cross two pink tulips?




75 %


50 %


25 %

Answers

Answer: 50

Explanation:you are combining two pink to the possibility of the tulips being red will be 50 50

It is a case of incomplete dominance. 25% of the offspring will be red. Therefore, option C is correct.

What is incomplete dominance?

When two heterozygous alleles in a gene interact with each other, their traits are expressed partially, because they both are not dominant on each other. This type of dominance is called incomplete dominance.

It is not necessary to do a test to identify the heterozygous in incomplete dominance. The phenotype and genotype ratio is the same in this dominance. Incomplete dominance is different from co-dominance.

When two heterozygous pink tulips (Rr) cross, then 25% red (RR), 50% pink (Rr), and 25% white (rr) tulip flowers are produced. The phenotype and genotype ratio will be 1:2:1. Therefore, option C is correct.

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Explain how conservation efforts have positively impacted ecosystems.​

Answers

Many ecosystems have been improved. When you practice conservation, it can have various positive effects, including bringing back endangered species. The ecosystems are being protected, and they have the opportunity to flourish.

Conservation efforts have played a crucial role in mitigating the loss of biodiversity, protecting ecosystems, and promoting sustainable development.

Conservation efforts have had several positive impacts on ecosystems. Firstly, the establishment of protected areas and conservation reserves has helped preserve and restore natural habitats, providing a safe haven for wildlife and plant species. This has led to the recovery of many endangered and threatened species, contributing to the overall biodiversity and ecological balance.

Conservation efforts also promote sustainable resource management practices. By implementing regulations and guidelines for fishing, hunting, logging, and other human activities, ecosystems are protected from overexploitation. This helps maintain healthy populations of species, prevents habitat degradation, and ensures the long-term availability of resources.

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During photosynthesis,light energy is converted to chemical energy

Answers

Answer:

True

Explanation:

Because during photosynthesis carbon dioxide is formed which is a chemical

Answer:

True

Explanation:

Photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars. In a process driven by light energy, glucose molecules (or other sugars) are constructed from water and carbon dioxide, and oxygen is released as a byproduct.

Do roots, leaves, or stems do more in photosynthesis in plants?

Answers

Answer:

Leaves

Explanation:

Leaves help are flat and thin which makes it easy for them to take in more light, which makes them play the biggest rold in photosynthesis.

True or False: Too much carbon in seawater prevents clams, snails, and other
sea animals from growing their shells.

Answers

Answer: False................

Answer:

False

Explanation:

Carbon is one of the most abundant resources for sea animals, and they actually need a lot of carbon to grow their shells.

What are the different sensory structures and what are each of them able to
detect?​

Answers

Answer;

Chemoreceptor,Thermoreceptors,Mechanoreceptors,Photoreceptors

Explanation:

Chemoreceptors detect the presence of chemicals

Thermoreceptors detect changes in temperature

Mechanoreceptors detect mechanical forces.

Photoreceptors detect light during vision.

______ means that the alleles in the genotype are different. A) Recessive
B) Homozygous C) Allelopathic D) Codominant E) Heterozygous

Answers

Answer:

B because homozygous is the alleles in the genotype

Explanation:

heterozygous is when the alleles are different
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