In general, our solar system and sp

In general, our solar system and space has any factor together such as water, blood and minerals. If we will discuss about one of the important factor in our body, that is blood. First, we know blood has part in moisten various organs in our body to work and it has red color. But why? Why blood is not green, blue or orange? Later, about factor in blood such as red blood cells, white blood cells. We will know its duty in our body. Finally, we will discuss disease about blood. Some disease there may be about genetic such as Thalassemia, Hemophilia and AIDS. For the knowledge to students who have interested in blood in body.