Predict question 2 do you think a graph plotted with

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)?
Stop & Think Questions:
What is the driving force for blood flow?
How does the body increase the blood vessel radius?
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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Post-lab Quiz Results
You scored 100% by answering 4 out of 4 questions correctly.
1. The variable that you altered in this activity was
2. Vessel radius and fluid flow
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 __________.