The largest artery in your body is the Aorta. The largest vein in the body is Vena Cava. The aorta is the largest blood vessel in the body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches.
There are many different dinosaur books that state different sizes of the tyrannosaurus rex. These sizes range from 40 feet long to 49 feet long. It's maximum length was probably close to 50 feet long. The paleantologists have only found remains, incomplete remains, of the Tyrannosaurus.
It was a plant eating dinosaur with a small head and neck. It had large triangular plates on its neck, back and tail. It also had long, pointed spines at the end of its tail that could be used to protect itself by hitting attacking dinosaurs.he Tyrannosaurus is the best known dinosaur. It lived during the Cretaceous Period. It was one of the biggest meat eating dinosaurs at 50 feet long and 20 feet tall, weighing up to 6 tons. It had powerful jaws, with sharp 7 inch teeth, well designed for eating other dinosaurs.