HMS, BM EQ-Bank 107 MC

An athlete performs a complex gymnastics routine. How do the skeletal, muscular and nervous systems interact to maintain balance?

Nerves receive sensory input, muscles respond, and the skeleton provides stability
Motor neurons detect body position, muscles respond, and the skeleton provides stability
Nerves receive sensory input, muscles respond, and the skeleton generates force
Nerves receive sensory input, muscles relax completely, and the skeleton holds position

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\(A\)

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A is correct: Sensory receptors and nerves detect body position, muscles make adjustments, and bones provide structural support.

Other options:

B is incorrect: Sensory neurons, not motor neurons, detect body position.
C is incorrect: Muscles generate force; the skeleton provides levers and support.
D is incorrect: Muscles must actively contract to make balance adjustments.