ventilation

When the diaphragm contracts it is pulled:
1. Flat
2. up
3. sideways
4. into dome-shape
The Oxygen Debt is the volume of:
1. oxygen needed to saturate the blood with oxygen
2. the oxygen needed to allow your muscles to contract.
3. The volume of oxygen needed to break down the lactic acid in the blood
4. oxygen needed for anaerobic respiration
The term for breathing in is called...
What is the name given to the volume of air normally breathed in and out?
What is the volume of this type of breathing normally?
1. 0.5 litres
2. 0.3 litres
3. 0.7 litres
What is the name given to the maximum volume you can breathe out in one breath?
1. Vital capacity
2. Vital incapacity
This graph shows the relationship between pupils height and their vital capacities. Which statement/s is/are correct
1. As height increases, vital capacity increases.
2. There is a negative correlation between height and vital capacity
3. There is a positive correlation between height and vital capacity
4. There is no relationship between height and vital capacity
The graph shows a plot (B), that is significantly above the line of best fit. What does this mean?
1. The student has bigger lungs
2. The student has bigger lungs than you would expect of someone of that height.
3. The student has smaller lungs than you would expect of someone of that height.
4. The student did not breathe out fully during exhalation
Select some possible reasons that could explain the larger lungs in the previous questions
1. The student was asthmatic
2. The student was a keen long distance runner
3. The student was a smoker
4. The student played the trumpet
The student B had smaller lungs than you would expect for someone of his/her height. Select some possible reasons.
1. Student was underweight, so had fewer cells that needed oxygen for respiration
2. The student was asthmatic
3. The student was a keen swimmer