Oxygen and carbon dioxide are taken up by the red blood cells in the blood. Red blood cells contain a pigment called Haemoglobin what is the haemoglobin made up of?

Oxygen and carbon dioxide are taken up by the red blood cells in the b

1.	Oxygen and carbon dioxide are taken up by the red blood cells in the blood. Red blood cells contain a pigment called Haemoglobin what is the haemoglobin made up of?
Answer» Oxygen and carbon dioxide are taken up by the red blood cells in the blood. Red blood cells contain a pigment called Haemoglobin what is the haemoglobin made up of?