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Which is the largest lymphoid organ in the human body?

Human bodyImmune system

Quick Answer

The spleen is the largest lymphoid organ in the human body. It filters blood, helps immune defense, and stores blood cells.

The Full Story

The spleen is the largest lymphoid organ in humans and sits in the upper left abdomen. It filters blood, removes old red blood cells, and helps mount immune responses against certain infections. The spleen also stores platelets and some blood cells that can be released when needed. Although people can live without it, they are more vulnerable to some infections afterward. Its role links the circulatory and immune systems closely together.

Key Facts

1.The spleen filters blood
2.It is the largest lymphoid organ
3.It supports immune function and blood storage

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"The body’s blood filter and immune helper: the spleen"