White blood cells:
A) Are needed for clotting
B) Carry oxygen and carbon dioxide
C) Protect the body against infection
D) Produce heat
Correct Answer:
Verified
Q48: The opening in the middle of the
Q49: Which carries messages to the brain?
A) The
Q50: Light enters the eye through the:
A) Sclera
B)
Q51: In bright light,pupil size:
A) Increases
B) Stays the
Q52: Which is the muscular part of the
Q54: Which separates the external ear and the
Q55: Nerve fibers for vision are found in
Q56: Which system is stimulated when you are
Q57: The cerebrospinal fluid:
A) Protects the central nervous
Q58: Besides hearing,another ear function is:
A) Balance
B) Touch
C)
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