Topics: Hearing Impairment Quiz
What is the function of the ridges on your outer ear?
A. They prevent germs from entering your middle ear.
B. They direct sound into your middle ear.
C. They prevent loud noises from damaging your inner ear.
D. They filter out very high and low-frequency sounds.
Select your answer:
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Immunology › ViewThe information needed to make all proteins, including antigen receptors, is in the genome.
A. TRUE
B. FALSE
Pathogens, Disease and Immunity › View
What are molecules on cells that the immune system recognize either as part of the body or as coming from outside the body?
A. antibodies.
B. antigens.
C. T cells.
D. B cells.