There's another strong line of evidence that dinosaurs weren't strictly monochromatic: the brilliantly colored plumage of modern birds. Birds--especially birds that live in tropical environments--are some of the most colorful animals on earth, sporting vibrant reds, yellows and greens in a riot of patterns.he earliest dinosaur models displayed to the public, at England's Crystal Palace exposition in 1854, depicted Iguanodon, Megalosaurus and Hylaeosaurus as looking very much like contemporary reptiles, complete with splayed legs and greenish, pebbly skin.
Blood Pressure Graph By taking your pulse, you can feel that blood pressure fluctuation with each heartbeat. The pulse which you feel is actually a pressure wave that travels from your heart though your arteries Systolic Pressure Systolic pressure is the maximum pressure exerted by the blood against the artery walls. It results when the ventricles contract.
Contraction and relaxation of the ventricles in the heart lead to maximum (systolic) and minimum (diastolic) blood pressure values in the aorta as well as other arteries. Typical systolic and diastolic pressure values of 120/80 mm Hg are shown. The mean arterial pressure is shown to be approximately 93 mm Hg.Following ventricular systole, pressure in the left ventricle rapidly drops to below that in the aorta, thus, causing the aortic semilunar value to close.hile systolic and diastolic arterial blood pressure values are important measurements and have tremendous diagnostic value (see Table 1), it is the mean arterial pressure (MAP) that drives blood through the vasculature from the arteries to arterioles, capillaries, venules, veins, and back to the heart.