Types Of Blood Vessels In Human BodyThere are three types of blood vessels present in human circulatory system. (A) Arteries: • Arteries carry blood from heart and supply to organs. These are thick muscular walled and deep seated. All Arteries carry oxyg…

Transportation In Human BeingsIn humans, transportation of oxygen nutrients, hormone and other substances to tissue, CO2 to the lungs and waste products to the kidneys is carried out by a well-defined Circulatory System. In lower organisms material is tr…