Biology for IGCSE & O level - Coordination And Response (Section 9 - No. 45)
What is the role of the photoreceptors in the retina?
To refract light.
To detect light and convert it into nerve impulses.
To control the size of the pupil.
To transmit signals to the brain.
Explanation
Photoreceptors detect light and convert it to nerve impulses.
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