Q: What filters pathogens and worn out red blood cells from the blood?


Read this paragraph and choose the correct option from the provided answers:

The spleen is in the upper abdomen. It filters pathogens and worn out red blood cells from the blood, and then lymphocytes in the spleen destroy them.

 Choices:

- the bladder

- the stomach

- the pancreas

- the spleen


A:
the spleen