Examlex
Which of the following is a germ layer that forms the lining of the urinary, respiratory, and digestive tracts?
Heart Rate
The number of heartbeats per unit of time, typically measured in beats per minute (bpm).
Cardiac Cycle
The sequence of events in the heart from one heartbeat to the next, including systole and diastole.
Systolic Cycle
The phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries, raising arterial blood pressure.
Diastolic Cycle
The phase of the heart cycle during which the heart muscles relax and the chambers of the heart fill with blood.
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