IMMUNOLOGY

Detailed explanation-1: -Primary lymphoid organs: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes. Secondary lymphoid organs: These organs include the lymph nodes, the spleen, the tonsils and certain tissue in various mucous membrane layers in the body (for instance in the bowel).

Detailed explanation-2: -The spleen is the largest lymphatic organ in the body. Surrounded by a connective tissue capsule, which extends inward to divide the organ into lobules, the spleen consists of two types of tissue called white pulp and red pulp. The white pulp is lymphatic tissue consisting mainly of lymphocytes around arteries.

Detailed explanation-3: -The lymphatic system has four major functions that are equalization of interstitial fluid distribution, transport of plasma proteins and triglycerides, production of lymphocytes, and return of the material to the blood.

Detailed explanation-4: -There are three primary functions of the lymphatic system: first is the maintenance of fluid balance, second is the facilitation of the absorption of dietary fats from the gastrointestinal tract to the bloodstream for metabolism or storage, and third is the enhancement and facilitation of the immune system.

Detailed explanation-5: -Tonsils: Tonsils are lymph glands located on the sides of the neck. They tend to localize the infection and prevent it from spreading it in the body as a whole. Spleen: The spleen is a large lymphatic organ. The spleen acts as a blood reservoir in case of emergencies such as haemorrhage, stress or poisoning.

Detailed explanation-6: -bone marrow. spleen. thymus gland. lymph nodes. tonsils.