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The heart is a muscle, which expands and contracts. Also, its valves open and close so that blood gets pushed the right direction with each pump.

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15y ago

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When your heart is 'beating' what is it actually doing?

It is pumping blood .


Describe the pumping action of the heart?

The pumping action involves the heart's chamber contracting and relaxing. The heart beat is one cycle of the heart going through this contraction and relaxation while pumping blood.


What will happen if the heart contraction slows down or the heart stops pumping?

you will going to die


What does the heart actually DO when you have a heart attack?

Your heart keeps pumping blood. The reason people have heart attacks is because your heart never stops pumping blood but if you aren't active enough and you eat too much fat and cholesterol your arteries get clogged and blood can't pass through but your heart doesn't stop pumping blood.


Why do you think the heart is a very strong muscular organ?

because the heart is actually pumping bloodto all of your limbs.


When was Pumping - My Heart - created?

Pumping - My Heart - was created in 1976.


How does the blood system maintain homeostasis?

I think pumping the heart I actually forgot so yeah.......


Why do you have a very strong heart beat?

A strong heart beat is neccassary for humans and animals because the heart is actually pumping blood to all of your limbs, and vital organs


What structures of the heart make it powerful pumping organ?

The whole heart is made of muscle to do the pumping


Why the heart is a organ?

heart is the pumping organ of our body because if the heart is not pumping that makes you not alive and when it pumps that is the meaning that you are alive.


What is pumping organ?

In the body, the main pumping organ is the heart.


What chambers are the pumping chambers of heart?

ventricles