Explanation:
The heart consists of four chambers, four one-way valves, and a set of arteries and veins that regulate the normal flow of blood within the body. The smooth functioning of the circulatory system is maintained by a complex network of blood vessels that circulate blood throughout the body and back to the heart.
Answer:
The heart's structure, with its four chambers and valves, facilitates its function of pumping blood efficiently through the body. The atria receive blood while the ventricles pump it out. Valves prevent backflow, ensuring blood flows in one direction. This structure enables circulation, delivering oxygen and nutrients and removing waste products.
Explanation:
think of it as like a pump.