Reflex arc

The video explains the knee jerk reflex, detailing how a reflex arc operates with minimal components, including sensory and motor neurons. It highlights the efficiency of bypassing the brain for faster reactions.

What happens when your knee is tapped below the kneecap?

Describe the components of a reflex arc.

What is the role of the motor neuron in a reflex arc?

Explain why a reflex action is quicker than a voluntary action.

How does the reflex arc bypass the brain?