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tia_tia [17]
3 years ago
10

(50 points) Which structures produce a fluid to protect the body in the first line of defense? Select four options.

Biology
2 answers:
Rzqust [24]3 years ago
5 0

Answer: The correct answer is skin,eyes, mouth, stomach.

Dmitrij [34]3 years ago
4 0

Answer:

b,c,d,e

Explanation:

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