Question

Explain the function of circulatory system????what is the role of heart incirculatory system????

Answer 1

The circulatory system functions in the delivery of oxygen, nutrient molecules, and hormones and the removal of carbon dioxide, ammonia and other metabolic wastes. Capillaries are the points of exchange between the blood and surrounding tissues.
The heart is the key organ in the circulatory system. As a hollow, muscular pump, its mainfunction is to propel blood throughout the body.

Answer 2

The circulatory system makes food,water and oxygen available to every part of the body and helps in removing waste materials of the body like carbon dioxide urea etc. The job of heart is to pump blood around our body continuously if you liked my answer please mark it as the best :)