Question

The ________ plays a central role in the circulatory system. It consists of four ________: two for receiving blood and two for pumping blood. A. kidney, veins B. heart, chambers C. heart, veins D. kidney, chambers

Answer 1

Heart pumps blood to your body and it has four chambers. Two Atriums and Two Ventricles.


-hope this helps .

Answer 2

The answer is B. heart, chambers