24-03-2018
Biology

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13. Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never close?

a. Diastole will shorten in duration

b. The ventricles will not contract

c. There will be an absence of systole

d. The atria will not contract.

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24-03-2018

D. The atria will not contract.

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