Number 3 is microorganisms.
Xerostomia (hypo functioning of salivary glands )
The answer to the question that you are asking will be the letter A because point b would be sunrise I hoped this helped
Answer:
They protect the body from infectious agents.
And
They signal the immune system to destroy pathogens.
Explanation:
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Answer:
eardrum,ossicles,cochlea nerve, cochlea
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