Question

What do you understand by the word heart ?​

Answer 1

Answer:

A hollow muscular organ of the body.

Explanation:

Hope it helps you!!!!!

Answer 2

Answer:

Heart is a blood circulating organ in a mammles. It gives double circulation of blood in the body. Generally human heart have 4 chambers, viz. two atria and tow ventricles. Heart passes the blood to lungs for filteration and and then passes to the whole body for body functioning. Heart have cardiac muscles.