A mother breastfeeds her infant. As long as the baby suckles his mother's breast, the mother's mammary glands produce milk. Suckling, the stimulus, increases milk production, the response. This scenario is best described as:

A) a negative feedback loop.
B) a positive feedback loop.
C) principle of complementarity of structure and function.
D) anatomical position.


Answer: B

Anatomy & Physiology

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