The Digestive System — Unit test

Question 5 • Biology - SC3209 IC

Which best describes sensory and motor neurons?

Answer

Sensory neurons process information from stimuli receivers; motor neurons process information from muscles or glands.

Motor neurons process information from stimuli receivers; sensory neurons process information from muscles or glands.

Motor neurons carry information from the sense organs to the central nervous system; sensory neurons carry processed information from the central nervous system back to muscles or glands.

Sensory neurons carry information from the sense organs to the central nervous system; motor neurons carry processed information from the central nervous system to muscles or glands.

Explanation

Sensory neurons carry signals from sense organs and other receptors toward the central nervous system. Motor neurons carry commands from the central nervous system to effectors, such as muscles or glands. Therefore, choice D correctly describes the direction and function of each type of neuron.

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