Asked by Kristen Marie on Aug 01, 2024
Verified
Which of the following provides a chemical barrier to infectious disease?
A) the skin
B) the nostrils
C) hair
D) tears
Chemical Barrier
A defense mechanism or physical substance that prevents or reduces the risk of infection or damage by biological or chemical agents.
Tears
Liquid produced by tear glands to lubricate, clean, and protect the eye surface, and can also be a response to emotions.
- Clarify the part played by the body's defenses in resisting infections.
Verified Answer
VC
valencia caffasoAug 06, 2024
Final Answer :
D
Explanation :
Tears contain lysozyme, an enzyme that destroys the cell walls of many bacteria, providing a chemical barrier to infectious disease.
Learning Objectives
- Clarify the part played by the body's defenses in resisting infections.