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.
The study of the properties of the blood flow is called hemorheology. The circulatory system is often seen to comprise two separate systems: the cardiovascular system, which distributes blood, and the lymphatic system, which circulates lymph. The passage of lymph for example takes much longer than that of blood. Blood is a fluid consisting of plasma, red blood cells, white blood cells, and platelets that is circulated by the heart through the vertebrate vascular system, carrying oxygen and nutrients to and waste materials away from all body tissues.
1 This network of lymph nodes and vessels throughout the body carries lymph fluid, nutrients, and waste material between the body tissues and the bloodstream. 2  The lymphatic system is an important part of the immune system. The tonsils and thymus, which make antibodies. 2  The lymph nodes and vessels (the lymphatic system). 3  This network of lymph nodes and vessels throughout the body carries lymph fluid, nutrients, and waste material between the body tissues and the bloodstream. 4  The lymphatic system is an important part of the immune system.