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The heart is a muscle which is constantly contracting and relaxing. the force of this contraction and relaxation causes the blood to rush through the veins and arteries of your body. another way of looking at it is if you think of the heart as an air pump. when you squeeze and let go of the air pump, that causes air to move. it is the same with the heart.
What else can I help you with?
Why do the heart pump blood?
The heart is a four chambered pump, whose sole task is to pump blood round the body.
What happens in heart?
In heart has a four valve the two valve is pump the up and the others valve pump the blood down. heart is pump the blood
What percentage does your heart pump?
If you mean what percentage of you blood does your heart pump... all of it.
What contract together to pump blood?
The ventricles contract to pump blood out of the heart.
What does the amphibian heart pump?
it would have to pump blood
Do arteries pump blood to your body?
No the heart pumps the blood but it does pump the blood through the arteries.
Heart carry blood?
your heart doesn't carry blood it pumps blood around the body...the heart is a pump
What blood gets from the heart?
The heart is a pump that circulates the blood around the body
What is your heart job?
Your heart's job is to pump blood.
What does the heart does to the blood?
pump the blood throw the body
What role does your heart have?
The heart is a pump whose role is to pump blood around the body.
What is the function of a rat heart?
pump blood you a******
