The centres for visual and auditory reflexes, such as turning the head towards a sudden sound, are located in the
Correct answer: C. midbrain
- A. cerebrum
- B. cerebellum
- C. midbrain
- D. medulla oblongata
Explanation
The midbrain receives input from the eyes and ears and coordinates these quick orienting reflexes. Conscious seeing and hearing happen higher up in the cerebrum, while the medulla governs heart rate and breathing.
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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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