Examlex
What is the transparent structure behind the iris that changes shape as it focuses images on the retina?
R-R Interval
The time interval between two consecutive R-waves in an electrocardiogram (ECG), representing one cardiac cycle.
Blood Turbulence
The chaotic, non-laminar flow of blood, which may produce audible sounds and is often detected in conditions of high blood flow velocity or anatomical abnormalities in the heart or blood vessels.
Valve Closure
The process of a valve within the body or a mechanical system shutting to prevent the backward flow of fluid.
Ventricles
The two lower chambers of the heart that receive blood from the atria above them and contract to push blood into the arteries.
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