Differentiate between sensory and motor neurons

Sensory neurons and motor neurons are two types of neurons that play crucial roles in the functioning of the human body. Here's how they differ:

1. Function:

   • Sensory Neurons: These neurons are responsible for converting external stimuli from the environment into internal electrical impulses. For example, they can help you sense heat, cold, pain, etc.
   • Motor Neurons: These neurons receive signals from the brain and spinal cord to initiate muscle contractions or gland secretion. They essentially control all the movements of your body.

2. Direction of Impulse:

   • Sensory Neurons: They carry impulses from sensory organs (like skin, eyes, nose) towards the central nervous system (brain and spinal cord).
   • Motor Neurons: They carry impulses away from the central nervous system towards the effector organs (muscles or glands).

3. Structure:

   • Sensory Neurons: They have a long dendrite and a short axon. The dendrite carries impulses from the sensory receptor to the cell body which is located outside the central nervous system.
   • Motor Neurons: They have a short dendrite and a long axon. The cell body is located inside the central nervous system.

4. Location:

   • Sensory Neurons: They are usually present in the sensory organs like skin, eyes, ears, tongue, and nose.
   • Motor Neurons: They are located in the central nervous system and connect to muscles and glands in the body.

In summary, sensory neurons and motor neurons have different functions, structures, and locations, but they work together to help your body interact with and respond to its environment.