Medical Quiz
Eye and Ear Quiz

The amount of light entering the eye is regulated by th

A. lens

B. iris

C. retina

D. optic nerve

E. feature detectors

Select your answer:
A  B  C  D  E 


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Other quiz: Absorption, Lymphatic System, and Blood Vessels

Which body system does your cardiovascular system work with to oxygenate the blood?

A. Muscular

B. Skeletal

C. Lymphatic

D. Respiratory