Respiratory System

Flashcard
•
Science
•
3rd - 7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the main function of the respiratory system?
Back
The main function of the respiratory system is for breathing.
2.
FLASHCARD QUESTION
Front
What do we breathe in?
Back
We breathe in oxygen.
3.
FLASHCARD QUESTION
Front
What do we breathe out?
Back
We breathe out carbon dioxide.
4.
FLASHCARD QUESTION
Front
What is the process of breathing in called?
Back
The process of breathing in is called inhaling.
5.
FLASHCARD QUESTION
Front
What is the process of breathing out called?
Back
The process of breathing out is called exhaling.
6.
FLASHCARD QUESTION
Front
What part of the respiratory system is responsible for carrying air to the lungs?
Back
The trachea carries air to the lungs.
7.
FLASHCARD QUESTION
Front
What are the tiny air sacs in the lungs called?
Back
The tiny air sacs in the lungs are called alveoli.
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