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Which of the following is NOT a surface barrier serving as the first line of defense?

Cali Fornia

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7 years ago

Which of the following is NOT a surface barrier serving as the first line of defense?

Which of the following is NOT a surface barrier serving as the first line of defense?
A) antibody
B) mucus
C) oil
D) keratin

Textbook

Human Anatomy & Physiology

Human Anatomy & Physiology

Edition: 1^st

Author: Amerman

Read 372 times

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Decrepit_

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Cali Fornia Author

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Brilliant ツ

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