The lens focuses light on the photoreceptor cells by
A) moving up and down.
B) moving in and out.
C) changing shape.
D) opening and closing.
E) dilating and constricting.
Correct Answer:
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Q18: The special senses are
A) olfaction.
B) vision.
C) gustation.
D)
Q19: Only about _ percent of the information
Q20: Our perception of the environment is incomplete
Q21: The lacrimal glands
A) are located in pockets
Q24: The transparent portion of the eye is
Q25: Taste receptors are
A) found only on the
Q26: A sudden flash of bright light would
A)
Q27: A structure that is located at the
Q28: The pigmented portion of the eye is
Q32: The space between the iris and the
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