Iron
Oxygen is the gas transported by red blood cells that gives them a bright red color.
Arterial Blood is Bright Red
The Answer Is Circulatory System That Makes Blood Cells RED ! it is the heme part of the haemoglobin that gives blood cells their bright red colour.
Blood containing red blood cells filled with oxyhemoglobin appears bright red.
Not in a human, no. Oxygenated blood is bright red. Deoxygenated blood is a dark red.
thin, bright red blood means that your platelets are low.
It is bright maroonish red.
Red. bright (or blood) red.
Effortless Regurgitation of Bright Red Blood was created in 1994-05.
Hemoglobin, when united with oxygen, turns bright red.
Because,oxygen make it red
oxygen makes it redI would think it has to do with the amount of oxygen in the blood stream.