lekaa68 lekaa68
  • 10-04-2021
  • Health
contestada

What is the body’s first line of defense?
A. Physical and chemical barriers that prevent micro-organisms entering the body.
B. Antibodies attack the pathogen
C. T-Cells destroy the microorganisms
D. Attract white cells into tissues.

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danielaung
danielaung danielaung
  • 10-04-2021
A (the skin is obviously a defense) brainliest plz
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