The semicircular canals are ____.
A) empty
B) filled with gas
C) filled with a liquid
D) small bones in the ear
E) passageways for nerves
Correct Answer:
Verified
Q16: A cataract is caused by _.
A)clouding of
Q17: Which sensory organs respond to body position
Q18: The pupil is an opening at the
Q19: What eye component is lacking in color-blind
Q20: The main visual pigment in rods is
Q23: Olfactory receptors are used for _.
A)sight
B)sound
C)smell
D)taste
E)touch
Q24: Mechanoreceptors are excited by _.
A)tissue damage
B)temperature change
C)chemical
Q25: Rods and cones are located in the
Q25: The layer of the vertebrate eye where
Q26: A higher frequency of action potentials is
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