What are alveoli?
Anatomy in Clay Respiratory Test

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Science
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Alveoli are tiny air sacs in the lungs where gas exchange occurs. They allow oxygen to enter the blood and carbon dioxide to be expelled.
2.
FLASHCARD QUESTION
Front
What dual functions does the pharynx serve?
Back
The pharynx serves both respiratory and digestive functions, acting as a passageway for air to the larynx and food to the esophagus.
3.
FLASHCARD QUESTION
Front
How do vocal cords produce sound?
Back
Vocal cords produce sound by vibrating as air is expelled from the lungs.
4.
FLASHCARD QUESTION
Front
What is the primary function of the larynx?
Back
The primary function of the larynx is speech production, as it houses the vocal cords.
5.
FLASHCARD QUESTION
Front
What is the role of bronchi in the respiratory system?
Back
Bronchi are the main passageways that conduct air into the lungs, branching into smaller bronchioles.
6.
FLASHCARD QUESTION
Front
What is surfactant and its function?
Back
Surfactant is a substance that reduces surface tension in the alveoli, preventing their collapse and aiding in gas exchange.
7.
FLASHCARD QUESTION
Front
What is the trachea's role in the respiratory system?
Back
The trachea, or windpipe, conducts air from the larynx to the bronchi and into the lungs.
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