Glossary
Lymph: The almost colorless fluid that travels through the lymphatic system and carries cells that help fight infection and disease.Lymph nodes: Part of the lymphatic system; bean-shaped organs, found in the underarm, groin, neck, and abdomen, that act as filters for the lymph fluid as it passes through them.
ECG: This is a non-invasive procedure, where electrodes are positioned on the chest and connected to a device that records the electrical activity of the heart, giving an output as a graph.
