Answer:
The cardiac cycle is defined as a sequence of alternating contraction and relaxation of the atria and ventricles in order to pump blood throughout the body. ... In other words, when the atria are in diastole, the ventricles are in systole and vice versa.The cardiac cycle describes all the activities of the heart through one complete heartbeat—that is, through one contraction and relaxation of both the atria and ventricles. ... The volume of the ventricles remains unchanged (isovolumetric) during this period.
Explanation:
Answer:
could you maybe show the whole question
Answer:
C. Aggressive behavior is displayed to establish hierarchy without violence.
Explanation:
Aggressive behavior is displayed to establish hierarchy without violence does not describe a function of aggressive animal behavior.
Two atoms that differ only in the number of neutrons they contain are known as isotopes.
