The respiratory system transports oxygen from the air we breathe, through a system of tubes, into our lungs and then diffuses it into the bloodstream, whilst carbon dioxide makes the opposite journey.
Where in the respiratory system does gas exchange take place?
Which of the following contracts to cause inhalation of breath?
Where would you find the intercostal muscles?
In the lung
Below the diaphragm
Between the ribs
What percentage of the air breathed out is oxygen?
Which of these gases can the protein haemoglobin carry?
Ammonia and methane
Nitrogen and hydrogen sulphide
Oxygen and carbon dioxide
Which term is used to describe the movement of gases from an area of high concentration to an area of low concentration?
Which lung volume can be defined as "the amount of air breathed in with each normal breath"?
Total lung capacity
Which gas is produced by the muscles during exercise as a waste product that needs to be transported and removed?
For the average adult, what measurement would we expect for total lung capacity?
During the first ten minutes of a hockey match, what would you expect to the tidal volume of a midfielder to do?