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The effect of pressure on flow rate Set-up: For investigating the effect of pressure (height of a column of liquid), a 50-mL burette was used with a small length of rubber tubing fixed to the bottom on which a clamp could be fitted to start/stop the flow of water (Figure 1). Effluent was collected in a beaker and mean flow rate was calculated (mL/s), and a stopwatch was used to measure how long it took for 5 mL of liquid to flow out. For the subsequent sections of the practical, a 25-mL burette was used, and the top was connected via rubber tubing to a 5-liter reservoir placed on the shelving above the bench. The tubing at the base was connected to the different flow modules that comprised the different configurations of tubes to be tested. Interpret the graph. What does this relate to in the cardiovascular system, and is it something that can change? How? What would be the implications for our ability to control blood flow to different tissues, if this were the only control mechanism available?

The effect of pressure on flow rate Set-up: For investigating the effect of pressure (height of a column of liquid), a 50-mL burette was used with a small length of rubber tubing fixed to the bottom on which a clamp could be fitted to start/stop the flow of water (Figure 1). Effluent was collected in a beaker and mean flow rate was calculated (mL/s), and a stopwatch was used to measure how long it took for 5 mL of liquid to flow out. For the subsequent sections of the practical, a 25-mL burette was used, and the top was connected via rubber tubing to a 5-liter reservoir placed on the shelving above the bench. The tubing at the base was connected to the different flow modules that comprised the different configurations of tubes to be tested. Interpret the graph. What does this relate to in the cardiovascular system, and is it something that can change? How? What would be the implications for our ability to control blood flow to different tissues, if this were the only control mechanism available?

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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The effect of pressure on flow rate

Set-up:

For investigating the effect of pressure (height of a column of liquid), a 50-mL burette was used with a small length of rubber tubing fixed to the bottom on which a clamp could be fitted to start/stop the flow of water (Figure 1). Effluent was collected in a beaker and mean flow rate was calculated (mL/s), and a stopwatch was used to measure how long it took for 5 mL of liquid to flow out. For the subsequent sections of the practical, a 25-mL burette was used, and the top was connected via rubber tubing to a 5-liter reservoir placed on the shelving above the bench. The tubing at the base was connected to the different flow modules that comprised the different configurations of tubes to be tested.

  1. Interpret the graph.
  2. What does this relate to in the cardiovascular system, and is it something that can change? How?
  3. What would be the implications for our ability to control blood flow to different tissues, if this were the only control mechanism available?
  4. Based on the conclusions you made above; would this be an efficient way for us to control blood flow to different tissues?
В 1.5- 1.2- R2=0.975 0.9- 0.6 0.3- 0- 10 20 30 40 50 60 Burette Reading (start) Flow (ml/sec)
Transcribed Image Text:В 1.5- 1.2- R2=0.975 0.9- 0.6 0.3- 0- 10 20 30 40 50 60 Burette Reading (start) Flow (ml/sec)
A Burette Clamp (E4) 50ml Burette (M1) Retort Rod (E3) Secured by cable tie (M3) Clip tubing (E10) Rubber tubing (M2) Pipette Tip (M4) Glass Beaker e lunluuH
Transcribed Image Text:A Burette Clamp (E4) 50ml Burette (M1) Retort Rod (E3) Secured by cable tie (M3) Clip tubing (E10) Rubber tubing (M2) Pipette Tip (M4) Glass Beaker e lunluuH
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