Answer: I believe that all of those options are correct
Explanation:
A on both because when people think
It's fun they tend to use it and obviously stay away from it
B. Old Stone Age.........................
Answer:
Coronary circulation is the circulation of blood in the blood vessels that supply the heart muscle. Coronary arteries supply oxygenated blood ti the heart muscle, and cardiac veins drain away the blood once it has been deoxygenated. hope this helps!!
