Structure [edit]. The abdominal aorta begins at the level of the diaphragm, crossing it via the aortic hiatus, technically behind the diaphragm, at the vertebral level of T12. It travels down the posterior wall of the abdomen, anterior to the vertebral column.tructure [edit]. The abdominal aorta begins at the level of the diaphragm, crossing it via the aortic hiatus, technically behind the diaphragm, at the vertebral level of T12. It travels down the posterior wall of the abdomen, anterior to the vertebral column.
Lewis and Clark had to think ahead and plan for times when wild game would be unavailable or in short supply. Their keelboat was stocked with nearly 7 tons of dry goods, including flour, salt, coffee, pork, meal, corn, sugar, beans and lard.
Lewis and Clark explored the American West together. Born: Lewis - August 18, 1774. Clark - August 1, 1770. Died: Lewis - October 11, 1809. Clark - September 1, 1838. Meriwether Lewis and William Clark are best known for their expedition from the Mississippi River to the West Coast and back. The expedition, called the Corps of Discovery, was President Thomas Jefferson's visionary project to explore the American West.