1 The song's tempo is 96BPM. 2  You multiply by four, because 60 seconds divided by 15 seconds = 4. 3  To increase accuracy, count beats for longer periods of time and calculate the rate accordingly.
Lymphatic system: The tissues and organs, including the bone marrow, spleen, thymus, and lymph nodes, that produce and store cells that fight infection and disease. The channels that carry lymph are also part of this system. Search MedTerms:
Lymphatic System. The lymphatic system is a vascular network of tubules and ducts that collect, filter, and return lymph to blood circulation. Lymph is a clear fluid that comes from blood plasma, which exits blood vessels at capillary beds. This fluid becomes the interstitial fluid that surrounds cells.