Biology, asked by rinzinnamgyal5886, 11 months ago

Why do pollen grains of some flowers trigger ‘sneezing’ in some people? [Foreign 2012]

Answers

Answered by carolf3009

0

Answer:

it is because of pollen allergy.

allergic reactions is due to release of chemicals like histamine and serotonin from the mast cells

hope this helps

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