Why Does the Cell Perform Endocytosis in Addition to Active

question 54

Essay

Why does the cell perform endocytosis in addition to active and passive transport?

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Definitions:

Aortic Semilunar Valve

The valve that regulates blood flow from the heart into the aorta, preventing backflow into the ventricle.

Lubb (S1)

The sound made by the closure of the mitral and tricuspid valves at the beginning of systole, commonly referred to as the "first heart sound."

Dupp (S2)

The sound made by the heart's valves closing in the cardiac cycle, often associated with the splitting or duplication of the second heart sound.

Muscle Fiber Striations

The visible lines seen in skeletal and cardiac muscle fibers, resulting from the arrangement of actin and myosin filaments.