The wall of the aorta is normally very elastic. It can stretch and then shrink back as needed to adapt to blood flow. But some medical problems, such as high blood pressure and atherosclerosis (hardening of the arteries), weaken the artery walls.he wall of the aorta is normally very elastic. It can stretch and then shrink back as needed to adapt to blood flow. But some medical problems, such as high blood pressure and atherosclerosis (hardening of the arteries), weaken the artery walls.
Hans Holbein the Younger (. 1497 â between 7 October and 29 November 1543) was a German and Swiss artist and printmaker who worked in a Northern Renaissance style. He is best known as one of the greatest portraitists of the 16th century.olbein's art was prized from early in his career. The French poet and reformer Nicholas Bourbon dubbed him the Apelles of our time, a typical contemporary accolade. Holbein has also been described as a great one-off of art history, since he founded no school.
Roy Lichtenstein was a Jewish American pop artist. From his studio in New York City, Roy Lichtenstein did cartoon inspired paintings that helped launch the Pop Art movement.He was unique in that he developed a new visual language in an avant-garde style that was disruptive to viewers and yet was accessible and popular with them.ichtenstein's murals are in Dusseldorf, Germany; Tel Aviv, Israel; and New York City. He died unexpectedly on September 29, 1997, from virul pneumonia, having worked until the time of his death. Sources: Roy Lichtenstein Foundation.