Predict Question 2 Do you think a graph plotted with radius on the X axis and

Predict question 2 do you think a graph plotted with

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Predict Question 2: Do you think a graph plotted with radius on the X-axis and flow rate on the Y-axis will be linear (a straight line)? Your answer : a. yes Stop & Think Questions: What is the driving force for blood flow? You correctly answered: b. pressure gradient How does the body increase the blood vessel radius? You correctly answered: c. smooth muscle relaxation Experiment Data: Flow (ml/min) Radius (mm) Viscosity Length (mm) Pressure (mm Hg) 4.0 1.5 1.0 50 100 12.6 2.0 1.0 50 100 30.7 2.5 1.0 50 100 63.6 3.0 1.0 50 100 117.8 3.5 1.0 50 100 201.0 4.0 1.0 50 100 321.9 4.5 1.0 50 100 490.6 5.0 1.0 50 100
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10/27/16 page 3
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10/27/16 page 4 Post-lab Quiz Results You scored 50% by answering 2 out of 4 questions correctly. 1. The variable that you altered in this activity was You correctly answered: c. vessel radius. 2. Vessel radius and fluid flow Your answer: c. have a linear relationship. Correct answer: b. are directly proportional. 3. After a heavy meal, when we are relatively inactive, we might expect blood vessels in the skeletal muscles to be somewhat __________ and the blood vessels in the digestive organs to be somewhat __________. Your answer: c. constricted, constricted Correct answer: d. constricted, dilated 4. When you increased the flow tube radius, the fluid flow rate You correctly answered: a. increased.
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10/27/16 page 5 Review Sheet Results
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