The sense of balance and the detection of head rotation depend on receptors located in the
Correct answer: D. semicircular canals of the inner ear
- A. cochlea of the inner ear
- B. eardrum
- C. auditory canal
- D. semicircular canals of the inner ear
Explanation
The three semicircular canals, set at right angles, contain fluid that moves when the head turns, stimulating hair cells that report position and rotation. The cochlea, by contrast, converts sound vibrations into nerve impulses.
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About Receptors
Receptors are specialized cells or proteins that detect stimuli such as light, sound, pressure, temperature and chemicals, then initiate responses through sensory or hormonal pathways. Questions distinguish sensory receptors from effectors, compare receptor types, and examine stimulus conversion into nerve impulses, including the roles of rods, cones, chemoreceptors and mechanoreceptors.
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