MICROANATOMY

Detailed explanation-1: -The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins.

Detailed explanation-2: -The functions of the circulatory system include all of the following except: to distribute oxygen and nutrients to body tissues.

Detailed explanation-3: -Final answer: ‘Valves ensure that the blood does not flow backwards’ is the correct statement about the human circulatory system.

Detailed explanation-4: -The systemic circulation provides the functional blood supply to all body tissue. It carries oxygen and nutrients to the cells and picks up carbon dioxide and waste products. Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body.