The Content of Blood Blood comes from the word "haima", which comes from the root word or hemato hemo. Is a liquid that was in the body, it serves the entire flow of oxygen to the tissues, sending the necessary nutrients the cells, and a bulwark against viruses and infections. A. Composition Blood consists of 45% and 55% korpuskula blood plasma. Korpuskula itself consists of: 1. Red blood cells (erythrocytes) of 99%, contains a functional hemoglobin oxygen circulate. Red blood cells also determines a person's blood type. If the content of one's red blood cells are lacking, he said anemia. 2. Platelet (blood pieces), contents ranged between 0.6 and 1.0%. 3. Platelet function is to assist the process of blood clotting. 4. White blood cells (leukocytes), amounted to 0.2% of total blood. 5. Leukocytes task is to maintain the body's immune system and kill viruses or bacteria that enter the body. B. Blood plasma, consisting of: 1. Albumin 2. Blood clotting material 3. Immunoglobulin (antibody) 4. Hormones 5. Various proteins and salts Blood type is a special characteristic of blood from an individual that reflects the differences in a different type of carbohydrate and protein on the surface of red blood cell membrane. Human blood classified into four types: A, B, AB, and O each have different karakteriktik. C. Diseases associated with blood: 1. Anemia: Lack of erythrocyte levels in the blood. 2. Leukemia: The disease is caused by the production of white blood cells that eat the red blood cells. 3. Haemophilia: This occurs when blood cells are not able to freeze in the event of injury. Usually occurs because of genetic abnormalities in a person. 4. Thalasemia High blood 5.Tekanan D. How to prevent diseases associated with blood: 1. Consuming a diet with nutritious foods and healthy. Avoid foods that trigger the occurrence of diseases associated with blood. 2. Doing blood checks every six months to ensure the health of our blood. 3. Life balance and always obey the norm. Avoid stress and create an atmosphere conducive to inner healthy life. 4. Stay away from drug use. Syringe used an addict is very prone to contagious diseases affecting the stability of blood. E. Diets based on blood type: 1. Blood Type O * Character: full of spirit and unyielding * Problems related to blood: diabetes mellitus, indigestion, back pain, obesity, cholesterol, heart disease, and cancer. * Diet: Foods high in protein and less carbohydrates. 2. Blood type A * Character: A sense of responsibility and have a great affection. * Problems related to blood: the blood rises quickly, heart disease, obesity. * Diet: high-carbohydrate foods and reduce fat 3. Blood Type B * Character: Adaptive and likes smelly things analysis * Problems related to blood: damage to the nervous system, insomnia, headaches and migraines, hepatitis, obesity, heart disease * Diet: Milk and products tenusu 4. Blood Type AB * Character: intelligent and patient * Problems related to blood: digestion, heart, blood vessels problems, cancer, obesity * Diet: Adjusted to body condition. Actually, this group of people with very flexible and can adapt to different foods.