The document summarizes transportation systems in animals and plants. In animals, the circulatory system transports digested food, water, oxygen and waste throughout the body via the heart, blood vessels and blood. Blood contains red blood cells which carry oxygen, white blood cells which fight germs, and platelets which help with clotting. There are three types of blood vessels - arteries carry oxygen-rich blood from the heart, veins carry oxygen-depleted blood back to the heart, and capillaries connect arteries and veins. Waste is removed from the body through the excretory system of kidneys, ureters, bladder and urethra. In plants, vascular tissues called xylem and phlo