![]() ![]() Motor neurons are crucial for voluntary and involuntary movements.These neurons send information from sensory receptors (in your skin, eyes, nose, etc.) toward the central nervous system. Things like sound, touch, and light are physical inputs, and smell and taste are chemical inputs. Sensory neurons help you sense the world around you – they work with physical and chemical inputs from the external environment. ![]() There are thousands of types of neurons, but scientists classify them into three broad types based on function: They are information messengers, using electrical impulses and chemical signals to transmit information between different regions of the brain and between the brain and the rest of the nervous system. Neurons (or nerve cells) are the basic working units of the brain and nervous system. ![]()
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