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.
Tylosaurus Hunting. Tylosaurus (protuberance lizard) were also among the larger mosasaurs, reaching up to 50 feet (15 meters) or more and with a long time range from around 89 to 66 million years ago. The Latin name comes from the elongated snout filled with pointed, recurved teeth.ylosaurus Skin. Mosasaur Genera. Clidastes (locked vertebrae) was the smallest common genus, averaging about 10 feet (~ 3 meters) in length, although the largest discovered was close to 20 feet (~ 6 meters). They lived from around 89 to around 72 million years ago.