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Breast sucking mechanism. Breast sucking mechanisms. (Top left) Lips of infant clamp in a C-shape and cheek muscles contract. (top right) Tongue thrusts forward to grasp nipple and areola. (bottom left) Nipple is brought against hard palate as tongue pulls backward, (bottom right) Gums compress areola, squeezing out milk.
Breast sucking mechanism. Breast sucking mechanisms. (Top left) Lips of infant clamp in a C-shape and cheek muscles contract. (top right)...