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5 votes
Which are parts of the immune system that help protect the body from diseases? Check all that apply.

1.skin
2.mucus
3.intestines
4.esophagus
4.stomach acid

User Chirs
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2 Answers

1 vote
i believe it it skin and mucus

User Rene Knop
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6 votes
The skin and mucus help protect the body from diseases.
User JasonY
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