The online FAFSA form (http://www.fafsa.ed.gov/) to demonstrate need. 4. Three letters of recommendation preferably submitted directly by the writers to the department with the scholarship recommendation form attached.
What Color Is Blood. Venous blood (except in the pulmonary veins) is low in oxygen so the hemoglobin makes the blood have a dark red color. Once the blood has passed through the capillary beds of the lungs, the blood will be bright red with the hemoglobin saturated with oxygen gas.
What is the part of blood that helps determine the color of blood? A protein pigment called hemoglobin (which has iron molecules in it) determines the color of blood because oxygen combines with the iron in hemoglobin which then causes the blood to rust and turn a red color. The other determining factor is oxygen since the color of blood varies with the amount of oxygen it is carrying.