Average is the number that is found by dividing the sum of data by the number of items in the data set.verage is the number that is found by dividing the sum of data by the number of items in the data set.
Blood is always red, actually. Veins look blue because light has to penetrate the skin to illuminate them, blue and red light (being of different wavelengths) penetrate with different degrees of success. What makes it back to your eye is the blue light. Meanwhile, here's what happens to the blood in your body:
In a fully functioning body, that is alive, the skin is the color it is because blood is rushing through all the veins and vessels that are woven throughout the body. in a dead body the blood no longer runs, and starts to succumb to gravity and to sink to the part of the body that is facing down, this is also the beginning of a later stage of livor mortis