Q.1
The large surface area of the lungs is due to lots of...
  • nephrons
  • villi
  • alveoli
  • cells
Q.2
When the chest volume increases, what happens to the pressure?
  • Decreases
  • Increases
  • Stays the same
  • Increases then decreases
Q.3
The function of the rib cage is to protect the...
  • kidneys
  • brain
  • lungs
  • large intestine
Q.4
Oxygen passes across the alveolus and capillary walls into the blood by...
  • osmosis
  • diffusion
  • bus
  • active transport
Q.5
Another word for breathing in is...
  • expiration
  • respiration
  • excretion
  • inspiration
Q.6
During inspiration, the chest cavity (volume)...
  • increases
  • decreases
  • stays the same
  • increases then decreases
Q.7
Name the special muscles found in the ribs which enable breathing.
  • Intercalated
  • Intercoastal
  • Intercostal
  • Intermediary
Q.8
Which of the following is another name for the chest?
  • Abdomen
  • Tummy
  • Thorax
  • Pharynx
Q.9
Ventilation is...
  • expiration
  • getting air in and out
  • inspiration
  • getting waste in and out
Q.10
During expiration, the diaphragm...
  • flattens
  • moves up
  • stays the same
  • goes inside out
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