Label component "A" of the reflex arc.
A. Sensory receptor
B. Sensory neuron
C. Motor neuron
D. Effector organ
E. Interneuron
Answer: C
Anatomy & Physiology
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Which photoreceptor cells are more numerous?
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Most blood from the brain flows down the internal jugular veins and then into which vessel(s)?
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A freckle is a concentrated spot of this pigment
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