Question

what is heart? explain that it works like a pump in short ​

Answer 1

Answer:

Heart - heart is the pumping chamber of our body

heart helps in circulation of blood throughout our body

each circulation takes 0.8 seconds to circulate blood in our body through aorta

Answer 2

Answer:

Heart:

• Heart is a organ which is essential in supplying oxygen all over the body.

• It contains heart muscles which contracts ,relaxes and is involuntary.
• just like a pump, for instance a cycle pump,contracts ie,it releases air into the tyre of cycle and relaxes ie, it is allowed to relax and in the same way, heart contracts ie, it pumps blood to all parts and relaxes ie, it relaxes..............

                              hope it helped you...............