The lymphatic system is a vast network of tubes (lymph vessels) which are filled with a white liquid (lymph). Lymph comes from the general liquids found in the body and from blood which has been leaked from blood vessles. Lymph slowly trundles through the body, delivering nutirents to body tissues and collects the waste from tissues.
At various points around the body, the lymph collects and forms lymph nodes. These are usually the size of a pea, but when ill, they can swell up, sometimes to the size of a golf ball.
This is due to the other important function of the lymphatic system, which is as a breeding ground for white cells. When the body is ill, the lymph nodes go into overdrive, producing billions of white cells which then fight the germs which are attacking the body. The lymph nodes also collect dead germs, so that they do not travel through the body. So the lymphatic system s important in maintaining good health.
At various points around the body, the lymph collects and forms lymph nodes. These are usually the size of a pea, but when ill, they can swell up, sometimes to the size of a golf ball.
This is due to the other important function of the lymphatic system, which is as a breeding ground for white cells. When the body is ill, the lymph nodes go into overdrive, producing billions of white cells which then fight the germs which are attacking the body. The lymph nodes also collect dead germs, so that they do not travel through the body. So the lymphatic system s important in maintaining good health.