The Respiratory System Flashcards
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Where does the oxygen first enter the body?
The nasal or mouth cavity.
Where does the oxygen go after entering the nasal or mouth cavity?
The pharynx.
Where does the oxygen go after passing through the pharynx?
The larynx.
What is another name for the larynx?
Voice box.
Where does the oxygen go after passing through the larynx?
The trachea.
What is the long wind pipe that leads down to the lungs called?
The trachea.
Where does the oxygen go after passing through the trachea?
The right or left bronchi.
Where does the oxygen go after passing through the bronchi?
The bronchioles.
Where does the oxygen go after passing through the bronchioles?
The alveoli.
What is the order of the respiratory system?
Nasal or mouth cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.
What is another use of the respiratory system that does not include breathing or getting oxygen for energy?
Communication through speech in the larynx.
What is the difference between breathing and respiration?
Breathing is inhaling and exhaling oxygen, and respiration is converting oxygen into energy.
Why is the respiratory system important in animals?
Allows them to inhale oxygen which is necessary to create energy, and removes carbon dioxide which can be toxic if it builds up.
