Respitory System
Flashcard
•
Biology
•
5th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Our breathing system is called the ____________ system.
Back
respiratory
2.
FLASHCARD QUESTION
Front
The human body breathes out _________.
Back
carbon dioxide, CO2
3.
FLASHCARD QUESTION
Front
The strong, curved muscle attached below the lungs to the lower ribs and backbone is called the _________.
Back
diaphragm
4.
FLASHCARD QUESTION
Front
The flap of tissue that covers the trachea to keep food out of the lungs is called the _____________.
Back
epiglottis
5.
FLASHCARD QUESTION
Front
The tube that leads from the pharynx to the lungs is called the _________.
Back
trachea
6.
FLASHCARD QUESTION
Front
What is the main function of the respiratory system?
Back
To facilitate breathing and gas exchange.
7.
FLASHCARD QUESTION
Front
What gas do we inhale that is essential for life?
Back
Oxygen (O2)
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