A student noticed that when he closed his eyes, he could still determine the position of his arms and legs. This is largely due to the activity of

A) pain receptors.
B) mechanoreceptors.
C) Merkel disks.
D) Meissner's corpuscles.
E) chemoreceptors.


B

Biology & Microbiology

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Which of the following is a byproduct of photosynthesis?

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