Health, 17.07.2019 12:00 mwilliams457
Which statement best explains this type of blood vessel and the function of these vessels’ valves? these are arteries, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart. these are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart. these are arteries, which prevent the backflow of blood because the walls have little muscle to pump blood into the capillaries. these are veins, which prevent the backflow of blood because the walls have little muscle to pump blood into the capillaries.
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Adog begins walking at a speed of 6 kilometers per hour. after 1 hour, the dog is walking at a speed of 4 kilometers per hour. which is this an example of? a. positive acceleration b. negative acceleration c. speed
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Which statement best explains this type of blood vessel and the function of these vessels’ valves?...
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