★ Nervous System and Special Senses Quiz
Which structure regulates the size of the pupil:
A. iris
B. retina
C. cornea
D. sclera
Select your answer:
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Cell Structure and Function › ViewWhich unique structure is found only in plant cells?
A. Cilia
B. Flagella
C. Lysosome
D. Chloroplast
Digestive System and Nutrition › View
Which organ is a secondary organ that stores bile?
A. stomach
B. gallbladder
C. pancreas
D. liver