The affinity of hemoglobin for oxygen is <u>increased</u> as the partial pressure of oxygen is raised.
Hemoglobin is the most vital constituent of red blood cells.
It is a kind of protein found in red blood cells that transfers oxygen to all parts of your body.
Hemoglobin is made up of proteins called 'heme' to which oxygen molecules become attached and travel throughout the body.
The blood carrying oxygen is called oxygenated blood and when it reaches the lungs, oxygen molecules detach and brings carbon dioxide along to remove it from the body through respiration.
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