Examlex
An atomic nucleus is electrically neutral.
Oxygen-rich Blood
Blood that has been oxygenated in the lungs and is carried to the body's tissues.
Pulmonary Circuit
The pathway by which blood travels from the heart to the lungs to be oxygenated and then back to the heart.
Systemic Circuit
The part of the cardiovascular system that carries oxygenated blood away from the heart to the body and returns deoxygenated blood back to the heart.
AV Valves
Atrioventricular valves are valves in the heart that lie between the atria and the ventricles to prevent the backflow of blood during ventricular contraction.
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