Question

Jorge wants to move towards light. Once Jorge’s eyes detect light how do his eye cells communicate with his muscle cells so that he can walk toward

the light

Answer 1

The steps are:

1. The eye cells (photoreceptors) receive light signal.

2. Transduction of light to a neural signal (nerve impulse)

3. Transmission of nerve impulses to the brain via optic nerve (afferent nerve)

4. Brain translates the signal

5. Nerve impulses is transmitted from the brain to the muscles via efferent nerves.