Which of the following is the correct order of the structures through which light passes after entering the eye?
A. Lens, pupil, cornea, retina
B. Pupil, cornea, lens, retina
C. Cornea, retina, pupil, lens
D. Cornea, pupil, lens, retina
Select your answer:

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Genetics › ViewWhat is heredity?
A. The process of natural selection
B. The transfer of genetic information from parent to offspring
C. The study of genes and their functions
D. The mutation of genetic material in an organism
Respiratory System › View
Which of the following is true about exercise induced bronchospasms?
A. It is triggered by dust, stress, anger, and bacteria
B. Taking an inhaler 10-15 minutes before exercise helps them
C. It worsens in warm environments
D. Their airways are not obstructed by spasm or inflammation