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Biology - SC3209 IC
The Endocrine and Exocrine Systems — Unit test
Question 18
18
Quiz
Multiple Choice
The Endocrine and Exocrine Systems — Unit test
Question 18 • Biology - SC3209 IC
What do saliva, tears, and nasal mucus have in common?
Answer
A
All can be classified as biological barriers.
A
All contain Langerhans cells.
A
All can destroy bacterial cell walls.
A
All are part of the complement system.
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