Examlex
When several EPSPs arrive at the axon hillock from different presynaptic locations,depolarizing the postsynaptic cell to threshold for an action potential,this is an example of
Systole
Contraction of the heart chambers during which blood leaves the chambers; usually refers to ventricular contraction.
Diastole
The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
Right Ventricle
The chamber of the heart responsible for pumping deoxygenated blood to the lungs for gas exchange.
Cardiac Muscle Cells
Specialized muscle cells found in the heart that contract rhythmically to pump blood throughout the body.
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