IGCSE BIOLOGY REVISION [Syllabus 14] The Eye
9:45
YouTubeCambridge In 5 Minutes
IGCSE BIOLOGY REVISION [Syllabus 14] The Eye
The structure of the human eye. Main topics: - Structure & function of the eye - Pupillary reflex (The pupil size is controlled by the iris. There are two muscles in the iris: Circular and radial. When circular muscles contract, they make the pupil smaller. When Radial muscles contract they make the pupil bigger. These are antagonistic muscles ...
76.5K viewsApr 28, 2018
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