Which of the following prevents the entry of pathogens into the human body?
(A) Cell death to seal off a pathogen
(B) Mucus lining the respiratory tract
(C) Phagocytosis performed by B cells
(D) Destruction of pathogens by the lymphatic system - HSC - SSCE Biology - Question 4 - 2013 - Paper 1
Question 4
Which of the following prevents the entry of pathogens into the human body?
(A) Cell death to seal off a pathogen
(B) Mucus lining the respiratory tract
(C) Phagocyt... show full transcript
Worked Solution & Example Answer:Which of the following prevents the entry of pathogens into the human body?
(A) Cell death to seal off a pathogen
(B) Mucus lining the respiratory tract
(C) Phagocytosis performed by B cells
(D) Destruction of pathogens by the lymphatic system - HSC - SSCE Biology - Question 4 - 2013 - Paper 1
Step 1
Identify the correct option
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Answer
The correct option is (B) Mucus lining the respiratory tract. This mucus serves as a physical barrier that traps pathogens and prevents them from entering the body through the respiratory system.
