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What is histamine?

A medication used to treat allergic reactions
A substance released by the body in response to injury initiating an immune response
A type of poisonous spider
A biting insect

User Prvaak
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2 Answers

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Answer: the answer is B

Step-by-step explanation:

User VDV
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A substance released by the body in reponse to an injury.
User Aadi Droid
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