EVERYDAY SCIENCE

Detailed explanation-1: -All red blood cells contain a red pigment known as hemoglobin. Oxygen binds to hemoglobin, and is transported around the body in that way. In tiny blood vessels in the lung, the red blood cells pick up oxygen from inhaled (breathed in) air and carry it through the bloodstream to all parts of the body.

Detailed explanation-2: -Hemoglobin is the iron-containing respiratory pigment in humans and is present in the red blood cells. Hemoglobin is a tetrameric protein and contains the heme prosthetic group attached to each subunit. The characteristic red color of red blood cells is due to the presence of hemoglobin.

Detailed explanation-3: -Haemoglobin is a dark red respiratory pigment present in red blood cells to transport oxygen to all parts of the body from lungs.

Detailed explanation-4: -Oxygen is carried by a red pigment called haemoglobin present in the red blood cells.

Detailed explanation-5: -Hemoglobin itself is a compound of a colorless protein, globin, and an iron porphyrin pigment. In general the pigments formed by the combination of iron with the various porphyrins are called hemes.