Blood travels from the heart to the bodys tissues and organs through blood vessels that continuously branch off each other and become smaller in diameter. In the capillaries, the smallest blood vessels, the exchange of nutrients and other substances between the blood and interstitial fluid takes place. Oxygenated blood from the heart starts in the aorta, which has a diameter of about 2 cm and through which blood travels at a velocity of 33 cm/s. In contrast, an average capillary has a diameter of 8 m (m = 10-6 m), and the blood travels through it at a velocity of about 0.3 mm/s. Calculate the rates of kinetic energy for (a) blood in the aorta and (b) blood in an average capillary. Report your answers in units of W and BTU/s. The density of blood is 1.056 g/cm3 .Show Work Please

Answers KEaorta = 5.96*10-3 W (5.65*10-6 BTU/s) KEcapillary = 7.17*10-19 W (6.79*10-22 BTU/s)