It is spring and a little boy has terrible allergies. His nose is stuffed with mucus and he has a cough. Why are his mucous membranes producing so much mucus? He is allergic to mucus.

It is a sign that he has a head injury.

Mucus traps pollen so it cannot enter the body.

Mucous membranes always make more mucus in spring.

1st

Explanation:

domt no why sorry and bye dont report me

hey i can am bored too

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