Answer:
a pacemaker helps the SA node send electrical signals through the heart to the AV node when the heartbeat is too slow or irregular. when this electrical stimulus occurs it causes the heart muscles to contract and continue to pump blood to the rest of the body.
Explanation:
Which of these is part of a healthy dating relationship?
OA. Mutual decision making
O B. Confusion
OC. Inability to compromise
OD. Lack of cooperation
Answer:
Mutual decision making
Answer:
Mutual decision making
This cause of weathering occurs when rocks change color due to a chemical
reaction with oxygen
Answer:
because of weather
Explanation:
when chemical is put it like weather