Sickle Cell Anemia Sickle Cell Anemia is the most common blood inherited disease in the United States, affecting about 72,000 Americans each year, and it has no cure. It commonly affects Hispanics and African Americans rather than Caucasians. It is classified as a disease in which the red ...

One Of Life¡s Great Proteins ¡V Hemoglobin Introduction Hemoglobin is a protein, which is one of the four basic biological molecules of life. Proteins have many functions and are versatile molecules. They are important for building and repairing cells and tissues and also as enzymes that are...

The Heart and the Circulatory System Introduction Imagine that you are living in the year 1535, and that you don't feel well. You have had some problems with fatigue, feeling a little more tired than usual when you walked to the market and back. You tell this to your physician, and he sends y...

Haemodialysis Thousands of people suffer from acute renal failure which occurs when the kidneys lose the ability to excrete wastes, concentrate urine, and conserve electrolytes. Electrolytes are substances in solution consisting of various chemicals which can carry electric charges. They exis...