A gymnast balances upside down in darkness because of:
Correct answer: D. Vestibular apparatus
- A. Tectorial membrane
- B. Organ of corti
- C. Cochlea
- D. Vestibular apparatus
Explanation
The vestibular apparatus (utricle, saccule, semicircular canals) maintains balance and orientation, even without visual input.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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