Examlex
A college runner set a school record of 3:59.37 in the mile run.Assuming that the distance was measured accurately to five significant figures,what was the runner's average speed in kilometers per hour?
Optic Nerve
A cranial nerve that transmits visual information from the retina to the brain, facilitating the sense of sight.
Blind Spot
The area in the visual field that lacks detection by the retina due to the absence of photoreceptor cells where the optic nerve exits the eye.
Retina
The thin inner surface of the back of the eyeball; this surface contains the sensory receptors.
Pupil
the black circular opening in the center of the iris of the eye, which regulates the amount of light that enters the eye.
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