a. the right atrium and the right ventricle contract simultaneously.
Biology, 21.12.2019 03:31, geraldmorgan5580
In the cardiac cycle,
a. the right atrium and the right ventricle contract simultaneously.
b. the two atria relax while the two ventricles contract.
c. the left atrium contracts before the right atrium.
d. all four chambers of the heart contract at the same time.
e. all four chambers of the heart are in systole at the same time.
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In the cardiac cycle,
a. the right atrium and the right ventricle contract simultaneously.
a. the right atrium and the right ventricle contract simultaneously.
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