Answers FL-2000310-Biology 1 Sem 2 Lesson 5: The Immune SystemQuestion 15

15

QuizMultiple Choice

Lesson 5: The Immune System

Question 15 • FL-2000310-Biology 1 Sem 2

Which type of barrier are coughing and sneezing?

Answer

A

psychological

B

chemical

C

biological

D

physical

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