Question

why our body need pumping organ like heart to push blood around the body​

Answer 1

Because without blood our organs would not get the oxygen to work properly and one will not get the proper oxygen to perform different life processes and hence leading to death.

Answer 2

heart pumb our oxygenated blood to the others part of the body or deoxygenated blood to the lungs to make it oxygenated

body need an organ to clean the blood make it flow properly for our live

i hope its help☆☆ :)