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Card 6

Front

What are lying over the surface of the atria?

Back

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Card 7

Front

What do the coronary arteries do?

Back

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Card 8

Front

What can happen if the coronary arteries become constricted?

Back

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Card 9

Front

What is another name for a heart attack?

Back

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Card 10

Front

How many times will a human heart beat in a lifetime?

Back

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Card 11

Front

How does the heart create pressure in the blood?

Back

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Card 12

Front

Why is the muscle of the atria walls very thin?

Back

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Card 13

Front

Why are the walls of the right ventricle thicker than the walls of the atria?

Back

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Card 14

Front

Why are the walls of the right ventricle thinner than the walls of the left ventricle?

Back

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Card 15

Front

Why are delicate alveoli a problem in the heart?

Back

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