The cells that go to the invaders, eat them up and kill them are A. Macrophages.
- Macrophages are a specialized class of white blood cells that are responsible for identifying, phagocytosing, and eliminating bacteria and other potentially dangerous foreign organisms.
- Macrophages are among the numerous types of immune cells that patrol the body and are the first to engage in combat with foreign substances.
- They capture any bacterium or particle that might be detrimental to the health of the organism with their flexible and adaptable surface and enclose it in a phagosome, an intracellular membrane vesicle.
- The interior of the phagosome must be effectively and gradually acidified in order to neutralize the threat and disassemble it into its component parts.
- The macrophages must go through numerous metabolic alterations for this significant stage of phagocytosis.
Therefore, the correct answer is A. Macrophages.
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