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26. A person with a low white blood cell count would have difficulty. a. Blood clotting b. Breathing c. Moving d. Fighting disease 27. Which of the following was one of the three things you should do to keep your heart healthy? a. Take drugs b. Eat a lot of junk food c. Don't smoke d. Don't exercise 28. What structure prevents the backwards flow of blood? a. Dam b. Valve c. Canal d. Tunnel e. Blood Vessel

26. A person with a low white blood cell count would have difficulty. a. Blood clotting b. Breathing c. Moving d. Fighting disease 27. Which of the following was one of the three things you should do to keep your heart healthy? a. Take drugs b. Eat a lot of junk food c. Don't smoke d. Don't exercise 28. What structure prevents the backwards flow of blood? a. Dam b. Valve c. Canal d. Tunnel e. Blood Vessel

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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26. A person with a low white blood cell count would have difficulty. a. Blood clotting b. Breathing c. Moving d. Fighting disease 27. Which of the following was one of the three things you should do to keep your heart healthy? a. Take drugs b. Eat a lot of junk food c. Don't smoke d. Don't exercise 28. What structure prevents the backwards flow of blood? a. Dam b. Valve c. Canal d. Tunnel e. Blood Vessel
Transcribed Image Text:26. A person with a low white blood cell count would have difficulty. a. Blood clotting b. Breathing c. Moving d. Fighting disease 27. Which of the following was one of the three things you should do to keep your heart healthy? a. Take drugs b. Eat a lot of junk food c. Don't smoke d. Don't exercise 28. What structure prevents the backwards flow of blood? a. Dam b. Valve c. Canal d. Tunnel e. Blood Vessel
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