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What is the function of the respiratory system?
Air enters the respiratory sytem through
Match the function/description to the organ.
Voicebox
Back of the throat
Air enters the respiratory system through this organ. The organ also filters and warms the air
Nose
Pharynx
Larynx
The main branches that branch off of the trachea
The small branches off of the bronchi that lead to the alveoli
The windpipe. Transports air from the nose/mouth to the lungs.
The tiny sacs where gas exchange occurs
During inhalation (breathing in), what gas enters the body?
During exhalation (breathing out), what gas exits the body?
As a person exercises, carbon dioxide levels in the bloodstream increase. This causes the brain to signal which of these systems to respond?
Identify structure 1.
Identify structure 2.
Identify structure 3.
Identify structure 4.
Identify structure 5.