Question

choose the correct answer. the large mass of lymphoid tissue in the left upper quadrant that filters blood, stores extra erythrocytes, and breaks down worn out erythrocytes is the: spleen tonsil thymus gland

Explanation:

The spleen is a large lymphoid tissue in the left upper quadrant. Its functions include filtering blood, storing extra red blood cells (erythrocytes), and breaking down worn - out erythrocytes. Tonsils are lymphoid tissues in the throat, mainly involved in immune responses against pathogens in the oral and nasal cavities. The thymus gland is involved in the development of T - lymphocytes and is more active in childhood, and it doesn't have the functions of filtering blood and handling erythrocytes as described.

Answer:

A. spleen