C.Engulfing a foreign pathogen
Explanation:
Phagocytosis is a critical part of the immune system.
Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes.
The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against.
Answer:
A
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Answer:
gametes
Explanation:
In the human reproductive process, two kinds of sex cells, or gametes (GAH-meetz), are involved. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system. When sperm fertilizes (meets) an egg, this fertilized egg is called a zygote (ZYE-goat).
