The answer is c it allows the body to increase blood flow
Answer:
The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins.
Explanation:Hope this helps have a nice day :)
For most muscle activities it usually lasts at least 90 seconds in duration for you to solely rely with lactic acid.
Explanation:
the answer D is correct, ....
infection that can be passed from one person to another.
I believe it is A; AR, ME, and KY