Examlex
During the process of labour, what needs to dilate to 10 centimetres (4.5 inches) ?
End-diastolic Volume
The volume of blood in the ventricles at the end of diastole, immediately before contraction.
End-systolic Volume
This is the volume of blood left in the ventricle at the end of systole, just before the heart fills again during diastole.
Stroke Volume
The amount of blood pumped by the left ventricle of the heart in one contraction, indicating cardiac efficiency.
Cardiac Output
The quantity of blood circulated by the heart through the vascular system every sixty seconds.
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