5 Questions
What happens when the intercostal muscles between the ribs contract during inhalation?
Ribs are pulled upwards and outwards
What is the role of the diaphragm during exhalation?
Relaxes and moves back to its normal position
What happens to the volume inside the chest cavity during inhalation?
Increases
What causes the pressure inside the chest cavity to decrease during inhalation?
Increase in volume
How is air expelled from the lungs during exhalation?
Air is squeezed out of the lungs
Test your knowledge of the respiratory system with this quiz on the mechanics of breathing. Explore how the diaphragm and intercostal muscles work to facilitate inhalation and exhalation.
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