Examlex
During REM sleep, the pons sends inhibitory messages to the:
Atrial Kick
The forceful contraction of the atria in the heart just before systole, helping to fill the ventricles with blood.
Diastole
The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
Systole
The phase of the heartbeat where the heart muscle contracts and pumps blood from the chambers into the arteries.
Aortic Area
An anatomical region of the chest where the aorta is closest to the chest wall, often used in cardiovascular assessments.
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