MICROANATOMY

Detailed explanation-1: -Blood is the chief transport system of the body. The primary function of blood is to deliver oxygen and nutrients and remove wastes from the body cells.

Detailed explanation-2: -During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs. This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

Detailed explanation-3: -Final answer: The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in capillaries.

Detailed explanation-4: -Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body.