After the trachea, air travels through the...
  • Bronchiole
  • Alveoli
  • Bronchus
  • Capillary
Identify the pathway of air.
  • nasal cavity, throat, bronchioles, bronchi, alveoli
  • mouth, nasal cavity, bronchi, bronchioles, alveoli
  • nasal cavity/mouth, trachea, bronchi, bronchus, alveoli
  • nasal cavity/mouth, trachea, bronchi, bronchioles, alveoli
A capillary is a form of...
  • Gas exchange
  • Respiration
  • Blood vessel
  • Alveoli
Identify a characteristic of capillaries
  • Thick cell wall
  • Small lumen
  • Contain valves to prevent backflow
  • Semi permeable membrane
Gaseous exchange happens...
  • in the bronchi
  • in the lungs
  • in the alveoli
  • in the heart
Gaseous exchange is when...
  • o2 diffuses from the alveoli to the capillary
  • co2 diffuses from the alveoli to the capillary
  • o2 diffuses from the capillary to the alveoli
  • co2 diffuses from the capillary to the alveoli
Oxygen + haemoglobin = ?
  • oxygenated haemoglobin
  • oxyhaemoglobin
  • haemoglobin
  • oxygenglobin
Gaseous exchange happens because of...
  • Osmosis
  • Respiration
  • Diffusion
  • Semi-permeable membranes
Diffusion is...
  • Movement of gas from an area of high concentration to high
  • Movement of gas from an area of high concentration to low
  • Movement of gas from an area of low concentration to high
  • Movement of gas from an area of low concentration to low
Air arriving in the alveoli has a...
  • Higher concentration of carbon dioxide (CO2) and a lower concentration of oxygen (O2)
  • Higher concentration of oxygen (O2) and a lower concentration of carbon dioxide (CO2)
Blood arriving in the capillary from the body has a...
  • Higher concentration of carbon dioxide (CO2) and a lower concentration of oxygen (O2)
  • Higher concentration of oxygen (O2) and a lower concentration of carbon dioxide (CO2)
What is gaseous exchange?
  • The movement of Oxygen and Carbon Dioxide between the bronchi and pulmonary artery
  • The movement of Oxygen and Carbon Dioxide between the alveoli and bloodstream
  • The movement of Oxygen and Carbon Dioxide between the heart and lungs
  • The movement of Oxygen and Carbon Dioxide between the nasal cavity and heart
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