Answer:
The correct answer is option A, Photoreceptors
Explanation:
Photoreceptors basically function by changing their color when exposed to light. In human body photoreceptors are found in the eyes. When light strike on the photoreceptors, electrical signals are generated which are sent to the brain through the optic nerves. Human eye has two types of photoreceptors- Rods and Cones. Rods detect light sensation while cones detect the color.
