What percentage of your blood works to carry oxygen throughout your body?

Answer 1

You have about 20% oxygen in inhaled air and negligible carbon bi oxide. You have about 4% carbon bi oxide in the exhaled air. That means 4% of the oxygen is absorbed from the blood. That makes it 4%/20%= 20% of the oxygen from the inhaled air is absorbed in your blood.

Answer 2

Approximately 97-98% of your blood is made up of red blood cells, which carry oxygen throughout your body. Hemoglobin, a protein in red blood cells, binds to oxygen and transports it to various tissues and organs in your body.

Answer 3

an average person is 40-45%