Question

describe in brief the circulatory system in humans

Answer 1

Hii..
Humans have a double circulatory system that means blood passes 2 times from the heart..
Right side of the heart has deoxygenated blood which it transports to lungs and in lungs after getting oxygenated ..blood comes to left side of the heart...after which this blood(oxygenated) is transported to other parts of the body..

hope this helps!!

Answer 2

transfer of substance into a body through blood is called circulatory system .
it helps in Breaking Down of food and digestion of food .
it has from 3 glands .