Examlex
The reactants must collide with an energy ≥ the energy of activation for the reaction to occur.
Jugular Vein Pulsations
Observable pulsing of the jugular veins in the neck, which can indicate the heart's function and central venous pressure.
Normal Splitting
A physiological phenomenon where the heart's second sound (S2) separates into two distinct sounds during inhalation due to the delay in closure between the aortic and pulmonary valves.
Inspiration
The process of drawing air into the lungs, a vital part of the respiratory cycle.
Expiration
The process of expelling air out of the lungs during breathing; also refers to the end of a product's validity period.
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