asked 190k views
1 vote
I need help fast!!

The purpose of the ______ system is to prevent foreign substances from entering the body and to attack foreign substances that are in the body.

A.nervous

B.immune

C.excretory

D.endocrine

asked
User MCY
by
7.7k points

2 Answers

3 votes
immune system is the correct answer
answered
User Pei
by
8.7k points
5 votes
immune system (b)
you're welcome
answered
User Aktivb
by
8.2k points
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