Seudónimo Seudónimo

22-04-2020
Biology

contestada

WILL GIVE BRAINLIEST
Which of these is the human body's first line of defense against invading pathogens such as bacteria and viruses?
a. macrophages
b. skin cells
c .vitamins

Respuesta :

5kbabygang 5kbabygang

22-04-2020

Answer:c

Explanation:

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raselin2331 raselin2331

22-04-2020

the answer is vitamins

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