Question

What is heart? What is it function and structure

Answer 1

heart is a complex structure present in the body of human which pumps up the blood and add oxygen into it and circulate oxygenated blood to all parts of the body . and collects deoxygenated blood from all parts of the body and add oxygen in2it and supplied to all parts of body . it happens in the process of respiration . for this purpose had has arteries and veins .hope it will help you .thanks .