Oxygen and carbon dioxide quantities in blood

How much oxygen is present in 100 ml of deoxygenated blood?
Like 4ml Co2 is present or delivered to lungs in deoxygenated blood

Hey! I didn’t quite understand the question, do you mind elaborating on what you find difficult to understand in related to this value?

Oxygen is also present in deoxygenated blood, right?
then how much oxygen is there
Is it like that 100 ml oxygenated blood has 20 ml oxygen and delivers only 5ml to tissues, remaining 15 ml is present in deoxygenated blood

We count Oxygen by partial pressure and not moles in the blood usually, here are the values: