What is the primary function of the human respiratory system?

Human Respiratory System Concepts

Interactive Video
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Science, Biology
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7th - 9th Grade
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Hard

Jackson Turner
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To circulate blood throughout the body
To produce hormones
To exchange oxygen and carbon dioxide
To digest food
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the respiratory system is responsible for filtering and warming the air?
Alveoli
Trachea
Bronchi
Nasal cavity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the epiglottis in the respiratory system?
To filter air
To exchange gases
To produce sound
To prevent food from entering the trachea
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the exchange of oxygen and carbon dioxide primarily occur?
In the bronchi
In the alveoli
In the larynx
In the nasal cavity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the diaphragm during inspiration?
It contracts and moves downward
It relaxes and moves upward
It remains stationary
It contracts and moves upward
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which muscles are involved in the process of breathing?
Abdominal muscles
Intercostal muscles and diaphragm
Quadriceps
Biceps and triceps
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for the volume of air inhaled or exhaled during normal breathing?
Vital capacity
Tidal volume
Inspiratory reserve volume
Residual volume
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