GENERAL HISTOLOGY

Detailed explanation-1: -The spleen acts as a filter. It weeds out old and damaged cells and helps control the amount of blood and blood cells that circulate in the body. The spleen also helps get rid of germs. It contains white blood cells called lymphocytes and macrophages.

Detailed explanation-2: -Blood passes through the cords and into the sinusoids where it is drained into the large trabecular veins of the spleen. Blood is filtered through gaps in the sinusoid lining, which prevents old, damaged or abnormal red blood cells from passing into the bloodstream.

Detailed explanation-3: -Answer and Explanation: The statement that is true regarding the spleen is b. The spleen functions in the body’s defence against infection and as a reservoir for blood.

Detailed explanation-4: -The spleen has a few important functions. It fights any invading germs in the blood (the spleen contains infection-fighting white blood cells). It controls the level of blood cells. The spleen controls the level of white blood cells, red blood cells and platelets (small cells that form blood clots).