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Vital capacity

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  • 1. What is tidal volume?
  • 2. What is Inspiratory Reserve Volume?
  • 3. What is the Expiratory Reserve Volume?
  • 4. What is the Vital Capacity?
  • 5. What is the Residual Volume?
  • 6. What factors affect vital capacity?
  • 7. High Altitude Adaptation
    • High Altitude
  • 8. Measuring Vital Capacity
  • 9. Part A: Measuring Vital Capacity
    • -Each group will have a respiration bag, one mouthpiece and the lab worksheet
    • -Rubbing alcohol will be provided to sterilize the mouthpiece once you are finished.
    • -Breathe into the bag, record the number of litres.
    • -Repeat last step one more time and calculate your average tidal volume.
    • -Once you have calculated the average please record your results on the following page.
    • For the purpose of this experiment:
    • -ATHLETE: active for at least 10 hours of week.
    • -Smoker: Even if you smoke one cigarette a week
  • 10. Part B: Manipulating Respiratory Rate
    • Choose one person to perform these experiments.
    • Read the procedure section of the lab.
    • The first sign of faintness or dizziness, stop the experiment and return to normal breathing rate.
    • Once you have completed both parts of the lab, clean up your station and place all materials in the proper area.
  • 11. 3.85 Class Average: 3.85 4.2, 3.2 Class Average: 3.7 Non-athlete Class Average: Class Average: Athlete Smoker 5.15, 4.5, 4..85, 4.1, 3.05 Class Average: 4.33 3, 2.1, 2.6, 2.55, 2.4, 2.25, 2.6, 4.7, 2.45 Class Average: 2.74 Non-athlete 5.45, 5.4, 5.15, 5.05, 4.65 Class Average: 5.14 3 Class Average: 3.0 Athlete Non-Smoker Male Female Average Vital Capacity (L) Factors
  • 12. Class Avearge: 3.45 4.1, 4.0, 1.7 Class Average:3.31 Non-athlete Class Average: Class Average: Athlete Smoker 4.65, 5.3, 3.3, 5.1, 2.6, 3.8 Class Average:4.12 2.8, 3.0, 3.05, 3.75, 2.2, 3.5, 4.6, 3.15, 3.2, 3.1,2.1,2.7, 3.25 Class Average:3.34 Non-athlete 4.2, 5.9 ,4.75, 4.1 Class Average:4.74 3.1, Class Average:3.1 Athlete Non-Smoker Male Female Average Vital Capacity (L) Factors
  • 13. Materials
    • Mouthpiece (sterilize with rubbing alcohol)
    • Respiration Bag (do not use it as a sword)
    • Rubbing Alcohol (WHMIS - poisonous, do not drink)
    • Lab worksheet
    • Paper bag (recycle – do not pop
    • the bag)
    • Chair
    • Paper towels (throw in garbage bin)
    • Tissue
    • Stop watch
  • 14. Lab Safety
    • no eating or drinking during the lab
    • no running around
    • if you feel faint at any moment of the lab please stop and let the teacher know immediately.
    • If you have underlying health conditions, especially relating to respiratory problems (i.e.asthma), do not perform the second activity. Please get your partner to be the subject of experiment.

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