Every 3.7 seconds someone in the United States is receiving a blood transfusion and a total of thirty million units of blood is transfused throughout the world annually (Cannell 1999)1. In the 1600's Louis XIV physician, Jean-Baptiste, performed the first blood transfusion when he took nine o...

Hypoxia Hypoxia is a condition in humans that is caused by the reduction in partial pressure of oxygen, inadequate oxygen transport, or when tissues are simply unable to make use of the oxygen provided. This disease occurs in the tissues and brain. It results in a shortness of breath, and an...

Aim: To investigate how exercise affects heart rate. Introduction: The heart is rate is how many times the heartbeats in a certain period, normally a minute; this gives the unit bpm (beats per minute). During rest, the heart beats about 70 times a minute in the adult male, while pumping about 5 li...

Respiratory syncytial virus (RSV) is a very common virus that causes mild cold-like symptoms in adults and older healthy children. It can cause serious respiratory problems in young babies, especially those born prematurely, who have heart or lung disease, or who are immunocompromised. # ...