Which substance gives red blood cells their color?
A) Oxygen
B) Carbon dioxide
C) Hemoglobin
D) Plasma
Correct Answer:
Verified
Q40: Circular bands of muscle fibers that constrict
Q41: Red blood cells are bright red when
Q42: The waxy substance secreted by glands in
Q43: The tympanic membrane is also called the:
A)
Q44: The white of the eye is the:
A)
Q46: The liquid part of the blood is:
A)
Q47: The peripheral nervous system consists of:
A) The
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)
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