Question

Which organ is responsible for filtering out pathogens and also clearing out old or damaged red blood cells?

Answer 1

The lymphatic cells and their organs destroys pathogens and protect the body from foreign substances. The lymphatic system is mainly associated with cardiovascular system, this is because to filter blood of pathogens, damaged blood cells.

Hence, the spleen, thymus, lymphatic vessels, tonsils are play key role in this cleaning mechanism process.