That is called hemoglobin. Hemoglobin contains iron, and when iron oxidizes (rusts), it turns orange.
Red blood cells give blood its red color.
blood
hemoglobin
Red blood cells contain iron, which gives them their red color.
The color of a red blood cell is dark red when it is deoxygenated.
Hemoglobin is the iron oxygen carrying protein which gives blood its red color
The Photo-sphere has an Yellow color. Not Red. Red Stars are cooler then our yellow Star.
The four components are plasma which is a liquid a red blood cell is a cell white blood cell is a cell and platelets are a part of a cell.
Hemoglobin
Hemoglobin
Red blood cells contain iron, which gives them their red color.
Lycopene is the chemical that gives them their red color.
The color of a red blood cell is dark red when it is deoxygenated.
Europium
red and green
Hemoglobin
The iron in the soil on Mars gives the planet its red color.
Hemoglobin is the iron oxygen carrying protein which gives blood its red color
The red blood cell give it's color
The color of a red blood cell changes depending on whether its hemoglobin is carrying oxygen. Oxygenated red blood cells are brighter in color.