Question

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

Answer 1

Answer:

the egg is fertile, then you should see a dark spot around the middle of the egg, with some spider-like veins beginning to form around it. If its not, you should just be able to see the shape of the yellow yolk inside the egg, without any signs of an embryo or veins.

Answer 2

• When a bright light is shone on the eyes, the receptor cells receive the light stimulus and transmit the signal to the spinal cord with the help of the sensory nerves.
• The spinal cord then makes the decision and sends its response with the help of the motor neurons to the muscles in the eyes.

• The eye muscles then contract the pupil.
• The eyes blink and close against the bright light.