Ryan hears a loud noise and quickly turns his eyes sideways in the direction of the sound. To accomplish this action he must use his ________ muscles
A) superior rectus
B) lateral rectus
C) inferior rectus
D) medial rectus
E) lateral and medial rectus
E
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What part of the eye controls the amount of light entering through the pupil?
A) iris B) cornea C) sclera D) lens
All muscle cells contain striations.
a. true b. false
What is the most important factor that increases blood flow through a tissue to meet that tissue's needs?
a. Vasoconstriction of arteries forces more blood to flow into the tissue. b. Parasympathetic-induced vasodilation of capillaries within the tissue. c. Cellular products cause local vasodilation. d. Widespread venous vasoconstriction allows blood to dam up at the tissue level. e. All except a
All cells are capable of reproducing
Indicate whether the statement is true or false