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Contemporary Health full year EL3404 IC
Unit Test — Cumulative exam
Question 20
20
RC
Multiple Choice
Unit Test — Cumulative exam
Question 20 • Contemporary Health (full year) EL3404 IC
Which is one part of the immune system that helps protect the body from diseases?
Answer
A
mucus
B
skeleton
C
esophagus
D
fingernails
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