Examlex
What is the role of the media access control (MAC)sublayer of the Data Link layer?
Diastole
The stage of the cardiac cycle during which the heart muscle unwinds and the chambers are permitted to be replenished with blood.
Systole
The phase of the heartbeat during which the heart contracts and pumps blood from the chambers into the arteries.
ECG
Electrocardiogram, a test that measures the electrical activity of the heart to show whether or not it is working normally.
Electrical Events
Activities or processes in the body that involve the flow or movement of electrical charges, such as nerve impulses and muscle contractions.
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