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grade 9 The Human Respiratory System Flashcards | StudBud
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grade 9 The Human Respiratory System
grade 9 The Human Respiratory System
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A Biology Quiz to introduce the basics of the human respiratory system.
Flashcards
10 cards
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Practice quiz
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Host live
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Questions
10
Answers
1
Through which three structures does inhaled air travel as it passes the epiglottis?
nostril, pharynx, trachea
trachea, bronchi, pharynx
pharynx, larynx, bronchi
larynx, trachea, bronchi
2
What happens after the diaphragm external intercostal muscles contract?
Lungs expand
Lungs deflate
Thoracic cavity decreases in size
Lungs do not change
3
What happens to the diaphragm during inhalation?
It relaxes
It does not change
It contracts
It moves up
4
Which of the following is produced and given off by animals during respiration?
argon
carbon dioxide
nitrogen
oxygen
5
Where does the air go before entering the trachea?
pharynx
larynx
bronchi
nostrils
6
Which of the following is surrounded by a capillary network?
alveoli
bronchiole
larynx
lung
7
Where does the oxygen - carbon dioxide exchange takes place?
bronchi
alveoli
diaphragm
trachea
8
This structure prevents the food from from entering the air tube when we swallow.
pharynx
larynx
trachea
epiglottis
9
What happens to the lungs during inhalation?
It inflates
It relaxes
It contracts
It deflates
10
Which of the following occurs during exercise?
Cells use more oxygen
Cells use less oxygen
Cells use less carbon dioxide
Cells use more carbon dioxide
