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1-5 The Human Body - Heart

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How the Human Heart Works

Can you feel your heart beating?  Put your hand on your chest and you can feel it beating.  It is beating all the time.  It pumps blood through tubes that run all through your body.  The tubes are called veins and arteries.  The blood goes through the veins and arteries, and your heart.  Your heart is the pump that keeps the blood moving or circulating (circulating means going round and round).

If you run very fast your heart beats faster and pumps blood faster.  Even while you are asleep your heart is working.

Directions: Answer the questions about your your heart, veins, and arteries.

You can feel your heart beating in your chest?

yes
no

Blood moves through veins, arteries, and

heart
chest

Your heart is beating all the time.

yes
no

Circulating means

stopping
going round and round

Blood stops circulating when you are sleeping

yes
no

Does your heart beat faster or slower when you run?

faster
slower

Does your heart beat faster or slower when you sleep?

faster
slower

Blood moves in tubes through your whole body.

yes
no

 

 

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