Which of the following substance(s) is/are transported by the blood?

Q. Which of the following substance(s) is/are transported by the blood?

A.            Oxygen and Carbon dioxide gases between the lungs and the rest of the body.

B.            Waste products to be detoxified or removed by the liver or kidneys.

C.            Nutrients from the digestive tract.

D.            All the above

Answer: All the above