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Defending the Fortress

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Questions and Answers

What is the function of the mucus coating in the respiratory, gastrointestinal, and urogenital tracts?

To provide nutrients

To trap and prevent the entry of microorganisms (correct)

To regulate body temperature

To aid in digestion

Which of the following is the main physical barrier that prevents the entry of microorganisms into our body?

Blood vessels

Muscles

Bones

Skin (correct)

Which of the following is NOT mentioned as a physical barrier against microorganisms?

Muscles (correct)

Mucus coating

Epithelium lining

Skin

Defending the Fortress

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Questions and Answers

What is the function of the mucus coating in the respiratory, gastrointestinal, and urogenital tracts?

Which of the following is the main physical barrier that prevents the entry of microorganisms into our body?

Which of the following is NOT mentioned as a physical barrier against microorganisms?

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