Answer:
ATP is responsible for contraction and relaxation in muscles and plays a major role in the muscular system of our body.
Answer: God's word
Explanation: Hope this helps :)
Answer:
exchange carbon dioxide for oxygen,help with the movement of the blood cells that pump oxygen-rich blood to all cells in the body.
Explanation:
Explains the heart and breathing rate
Answer:
d.smooth muscle
Explanation:
Blood vessels contain only smooth muscle cells. These muscle cells reside within the tunica media along with elastic fibers and connective tissue