Question

The concentration of oxygen and carbon dioxide in deoxygenated blood is-

• A. Oxygen - 21$\%$ and Carbon dioxide - 0.04$\%$
• B. Oxygen - 80$\%$ and Carbon dioxide - 20$\%$
• C. Oxygen - 16$\%$ and Carbon dioxide - 4$\%$
• D. Oxygen - 29$\%$ and Carbon dioxide - 71$\%$

Answer 1

The correct option is C Oxygen - 16$\%$ and Carbon dioxide - 4$\%$

Deoxygenated blood is the blood that exchanges oxygen for carbon dioxide from the cells. The concentrations of oxygen is 16$\%$ and that of carbon dioxide is 4$\%$ in deoxygenated blood.