Question

Trace the sequence of events which occur when a bright light is focused on our eyes.

Answer 1

Very great amount of light falls on our eyes then pupil regulate the amount of light entering the eye this is are reflex action this is a spontaneous reaction which is done without thinking

Answer 2

Answer: light enters our eye-

The optic nerve sends the message to spinal cord through sensory nerves-

At spinal cord the relay neuron transport the message to contract pupil-

The message is transported to motor neuron to the iris which makes the pupil small and restricts the amount of light entering our eye

We normally blink or close our eyes

Mark as brainliest