Examlex
The amount of blood returning to the heart is the ________.
Auricles
The external part of the ear, also known as the pinna, which is visible on the sides of the head.
Chordae Tendineae
Tendinous cords that connect the papillary muscles to the atrioventricular valves in the heart to prevent inversion during contraction.
Trabeculae Carnea
A series of muscular ridges found inside the ventricles of the heart, contributing to the heart's contractile force.
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