IMMUNOLOGY

Detailed explanation-1: -The correct answer is (e): transport gases throughout the body.

Detailed explanation-2: -All of the following are functions of the lymphatic system except: filtering metabolic wastes. The lymphatic system: transports interstitial fluid back to the bloodstream, provides immunological defenses, and transports absorbed fats from the intestine to the blood.

Detailed explanation-3: -The lymph nodes monitor the lymph flowing into them and produce cells and antibodies which protect our body from infection and disease. The spleen and thymus are lymphatic organs that monitor the blood and detect and respond to pathogens and malignant cells.

Detailed explanation-4: -Lymph nodes filter substances that travel through the lymphatic fluid, and they contain lymphocytes (white blood cells) that help the body fight infection and disease. There are hundreds of lymph nodes found throughout the body.

Detailed explanation-5: -Answer and Explanation: Lymph is composed of surplus tissue fluid collected by the lymphatic system throughout the body. There are no red blood cells in this fluid. Red blood cells are found only in the cardiovascular system.