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nekit [7.7K]
2 years ago
12

How a vaccine promotes immunity?answer in your own words​

Biology
1 answer:
anygoal [31]2 years ago
8 0

Answer:

Because the vaccine is an antigen from living, weakened or killed microorganisms that activate the immune system and the body produces protective antibodies.

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AleksAgata [21]

Answer:

Option A

Explanation:

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Some times, due to overstimulation immune system itself attack the thyroid gland thereby producing excess thyroxine and hence causing  the thyroid to swell

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Answer:

The mass of hydrogen is conserved during cellular respiration as it follows the Law of Conservation of Matter. This shows that hydrogen has been conserved throughout the entire process (H representing Hydrogen) as the product has the same amount of hydrogen as the reactants.

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Explanation:

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