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Card 16

Front

What happens to the pressure of the ventricles as the ventricles begin to contract

Back

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Card 17

Front

What happens when the pressure in the ventricles is more than the pressure in the atria?

Back

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Card 18

Front

What causes the valves to keep closed?

Back

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Card 19

Front

What stops the valves from turning inside out and blood flowing back into the atria?

Back

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Card 20

Front

When is the pressure in the major arteries higher than the pressure in the ventricles?

Back

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Card 21

Front

Beofre ventricular contraction, what is happening to the semilunar valves?

Back

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Card 22

Front

Ventricular systole raises the blood pressure where?

Back

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Card 23

Front

When are the semilunar valves pushed open?

Back

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Card 24

Front

Why is it important that the blood is under very high pressure?

Back

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Card 25

Front

What happens to elastic tissue in the walls of the ventricles during diastole?

Back

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