Question

What are the components of a reflex arc ?

Answer 1

Reflex arc:

1. The reflex arc is the pathway in which signals travel through the nerves in a reflex action.
2. Reflex action is involuntary and immediate action.

Components of reflex arc:

Muscles:

1. When motor neurons send signals to the muscles, the muscles contract and push our body parts out of the stimulus.

Interneurons:

1. It connects the sensory and motor neurons. Interneurons transmit signals from sensors to motor neurons.

Receptors:

1. Receptors respond to environmental signals such as pain, noise, etc.

Motor neurons:

1. Send signals from the spinal cord to the body.
2. It is attached to a muscle.

Sensory neurons:

1. When receptors receive signals from the environment, sensory neurons send them to the brain or spinal cord.