Physical and Natural Barriers Flashcards by Jessica Donegan | Brainscape

Q

Name X2 most common Physical Barriers

A

Mucous

- Skin

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Q

How does mucous protect the body?

A

Secreted and lines the body cavities in contact with environment.
Traps bacteria and cilia carries it through trachea and out body.

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Q

What are examples of Natural Barriers?

A

Elimination-coughing/sneezing
Lysomes-contain enzymes break down pathogens
Commensal Bacteria- Defends humans and provides essential nutrients to the body.

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