Water is composed of two gins, Oxygin and Hydrogin. Oxygin is pure gin. Hydrogin is gin and water. The proper spelling is Oxygen and Hydrogen. Three kinds of blood vessels are arteries, vanes and caterpillars.
Blood flows down one leg and up the other leg.
Facts Blood travels in both directions in the legs, arms, and elsewhere in the body. During blood circulation, the arteries carry blood away from the heart. The capillaries connect the arteries to veins. Finally, the veins carry the blood back to the heart. Respiration is composed of two acts, first inspiration, and then expectoration.