Multiple Choice
When the human eye is subjected to very bright light,the eye adjusts to decrease the amount of light entering.This is done by
A) constricting the iris muscles.
B) relaxing the iris muscles.
C) changing the shape of the lens.
D) increasing the distance between the lens and retina.
E) decreasing the distance between the lens and retina.
Correct Answer:

Verified
Correct Answer:
Verified
Q132: What characteristic is found in the visual
Q133: A voltage is a(n)<br>A) action potential.<br>B) electrical
Q134: When you decide to mark a particular
Q135: Which sound characteristic can a mammal differentiate
Q136: A large amount of space in the
Q138: What is one purpose for mapping regions
Q139: Cnidarians,such as corals and sea anemones,are sedentary,or
Q140: Assume that several thousand presynaptic neurons synapse
Q141: The smell of bread baking triggers a
Q142: A certain cell is highly elongated and