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aalyn [17]
4 years ago
6

The requirement for vitamin d increases with age because

Biology
1 answer:
stich3 [128]4 years ago
5 0
<span>The skin's ability to make it from sunlight decreases is what I found online</span>
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In a family of 5 people, 4 are vaccinated against mumps. An outbreak occurs in the area, explain why the unvaccinated person is
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Unvaccinated person has naturally immune , cannot catched by this disease.

Explanation:

The white blood cells can recognise that these are not human protein . The invading or foreign protein is called an antigen . Antigen in the blood

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Antibodies and antitoxins help prevent microbes damaging the body . The help us fight off the. disease , giving us IMMUNITY to the disease.

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Why arent there eclipses at every full and new moon
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