Which of the followings are effectors______________?
Correct answer: D. Both 'a' & 'b'
- A. Muscles
- B. Glands
- C. Sensory organs
- D. Both 'a' & 'b'
Explanation
Effectors are muscles and glands because they produce a response to nerve or hormonal signals, such as contraction or secretion. Sensory organs are receptors, not effectors, so choosing only option c confuses detection of a stimulus with execution of a response.
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