Friday 28 August 2015
- Blood is the fluid in our body functioning transmit nutrients and oxygen needed by the body tissue, transporting chemicals products of metabolism, as well as the body's defense against viruses or bacteria.
- The blood in our body is red because it contains hemoglobin, which is a respiratory protein that contains iron. This hemoglobin binds oxygen molecules breathing results to be circulated throughout the body. The older the color red means womb oksigenya the lower the contrary, the bright red color means the greater the oxygen content.
- Blood carries oxygen throughout the body via the subtle channels called capillaries. The blood is then returned to the heart through the blood vessels of the superior vena cava and inferior vena cava.
- Women have about 4.5 liters of blood, while men had 5.6 liters of blood in his body.
- Human blood is produced in the spinal cord, this production includes the production of red blood cells, white blood cells and platelets. The process of blood formation is called hematopoiesis.
