Question

Our heart and arms are made up of muscles. After working for few hours, our arms feel tired. The heart works from the day of birth till death but does not get tired. Give reason.​

Answer 1

Answer:The reason is if the heart stops pumping we will die due to a lack of blood and oxygen supply in our body. So, from birth till death it stops pumping till we die.

Answer 2

Answer:

Explanation:

I think it's because the heart is in a unique location in our bodies. It is located at the center of the chest cavity.

Cardiac muscle tissue works to keep your heart pumping through involuntary movements. This is one feature that differentiates it from skeletal muscle tissue, which you can control.