2. Phagocytes

Phagocytes are cells that protect the body by consuming foreign materials such as bacteria and other particles and ingesting old red blood cells. The body’s immune system uses these cells to fight infections, respond to inflammation, and other functions. The spleen contains many of these cells, primarily monocytes and macrophages, cells that respond to inflammation then turn into macrophages to perform defense mechanisms. They also play important roles in adaptive immunity.

purpose of the spleen

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