What type of neuron carries information from the central nervous system to muscles?

The correct response indicates a motor neuron, which is indeed the type of neuron responsible for transmitting signals from the central nervous system (CNS) to muscles. Motor neurons are crucial for initiating and controlling movement. They receive signals from the CNS, which processes information and makes decisions, and then convey these signals to muscle fibers, leading to muscle contraction and movement.

Motor neurons can be found in various parts of the body, including the spinal cord and brain, and they serve as the final output pathway for motor commands. The communication typically occurs at the neuromuscular junction, where the motor neuron interacts with skeletal muscle cells, facilitating movement.

The other options do not fulfill this function. Sensory neurons transmit sensory information from the peripheral body back to the CNS, while interneurons serve primarily to connect neurons within the CNS to process information. Association neurons are often identified with interneurons but do not directly influence muscle contraction like motor neurons do. Thus, understanding the unique roles of these various neuron types clarifies why motor neurons are essential for linking the CNS to muscle activity.