When an environmental stimulus is received, the signal is usually transmitted through three types of nerve cells. In which order is the signal transmitted through these cells?

Question

Quizplus · Accepted Answer

The signal is first received by sensory neurons, which transmit it to the interneurons in the spinal cord or brain. Interneurons process the signal and then transmit it to motor neurons, which in turn generate a response. Therefore, the correct order is sensory neurons, interneurons, and then motor neurons.

When an Environmental Stimulus Is Received, the Signal Is Usually