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18. Which activity is not a response of human white blood cells to pathogens?
1. producing antibodies
2. identifying invaders to be destroyed
3. removing carbon dioxide
4. engulfing and destroying bacteria

Respuesta :

CHERLYNnotCHERRY

Answer:

The answer is option 3.

Explanation:

White blood cells are not responsible for removing carbon dioxide.

White blood cells contain lymphocytes and phagocytes.

Lymphocytes produce antibodies to attack pathogens while phagocytes engulf pathogens.