Question

the red pulp in the spleen contains__________.a macrophagesb lymphocytesc removed, worn out red blood cellsd all apply.

Explanation:

The red pulp of the spleen has macrophages (for phagocytosis), lymphocytes (part of immune response), and is involved in removing worn - out red blood cells. So all the options (macrophages, lymphocytes, and removed, worn - out red blood cells) are present in the red pulp of the spleen.

Answer:

D. All apply.