What features of the respiratory system protect it from infection?
A) Nasal hairs
B) Cilia
C) Mucus
D) Macrophages
E) All of the choices are correct.
Correct Answer:
Verified
Q2: Which of the following is/are the main
Q3: The most common causative agent of otitis
Q4: Which of the following is true about
Q5: The most common type of virus leading
Q6: Which antibody is concentrated in the respiratory
Q7: Which of the following statements is not
Q8: Infection travels to the middle ear by
Q9: Rheumatic fever is caused by a/an _
Q11: Which of the following is not part
Q14: The bright red rash and fever of
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