11. True or False: The left ventricle performs more work tha…
11. True or False: The left ventricle performs more work than the right ventricle because it must generate enough pressure to pump blood through the entire systemic circulation, whereas the right ventricle only pumps blood to the lungs at much lower pressure.
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20. The lecture uses a mathematical illustration showing that blood flow through a coronary artery varies with the FOURTH POWER of the luminal diameter. If an artery’s lumen is reduced from 4 mm to 2 mm (cut in half), what happens to blood flow?
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