What is the purpose of the respiratory system?
Review: The Respiratory System

Flashcard
•
Science
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The respiratory system takes in oxygen and releases carbon dioxide.
2.
FLASHCARD QUESTION
Front
What are alveoli?
Back
Alveoli are tiny air sacs in the lungs covered with capillaries where gas exchange takes place.
3.
FLASHCARD QUESTION
Front
What is the function of the diaphragm?
Back
The diaphragm is the muscle that contracts and relaxes when you breathe.
4.
FLASHCARD QUESTION
Front
What disorder causes the bronchi to become restricted?
Back
Asthma is a disorder that causes the bronchi to become restricted, making it difficult for air to reach the lungs.
5.
FLASHCARD QUESTION
Front
What is the primary gas that the respiratory system takes in?
Back
Oxygen is the primary gas that the respiratory system takes in.
6.
FLASHCARD QUESTION
Front
What gas does the respiratory system release?
Back
The respiratory system releases carbon dioxide.
7.
FLASHCARD QUESTION
Front
What are the main organs of the respiratory system?
Back
The main organs of the respiratory system include the lungs, trachea, bronchi, and diaphragm.
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