QUESTION:
How do the blood and cardiovascular, respiratory, and nervous systems contribute to muscle contraction?
ANSWER:
The circulatory system powered by the heart carries the Oxygen rich blood to the cells. In the capillary arteries the Oxygen rich blood diffuses into the Oxygen poor cells. The Muscular system powers the movement of Oxygen to the cells. The Respiratory system brings the Oxygen into connect with the blood.
#BIOLOGY
