Blood is a small, saline, adhesive, alkaline and reddish liquid composed of a type of cellulose, multiple organic and inorganic substances of high blood organisms, which flow through the heart, artery, vein and capillary tract regularly. Blood transfusion additives Blood mainly transports oxygen, carbon dioxide and other waste materials to the body. Blood is our body energy. There are 8 percent blood in the human body (the average human blood is 5-6 liters). PH blood is slightly alkaline ie 7.2 - 7.4. Human blood temperature is 36 - 38 degrees centigrade (average 37 degrees centigrade.
