Answers TX-Biology B-CR The Immune SystemQuestion 1

1

QuizMultiple Choice

The Immune System

Question 1 • TX-Biology B-CR

What do saliva, tears, and nasal mucus have in common?

Answer

A

All can be classified as biological barriers.

B

All contain Langerhans cells.

C

All can destroy bacterial cell walls.

D

All are part of the complement system.

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