Respuesta :
Answer:
1. Pathogens enter the body
2. cells recognize invaders
3. cells recognize invaders
4. white blood cells travel to invaded area
5. swelling and redness occurs
Explanation:
Answer:
1. Pathogens enter the body through a cut in the skin.
2. Cells recognize foreign invaders.
3.White blood cells travel to the invaded area.
4.Swelling and redness occur at the site of infection.
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