
Gaseous Exchange in the Respiratory System

Interactive Video
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Science
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6th - 10th Grade
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Medium
+1
Standards-aligned

Ethan Morris
Used 10+ times
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Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of breathing in?
To bring air into contact with the bloodstream
To cool down the body
To make the lungs expand
To expel carbon dioxide only
Tags
NGSS.HS-LS1-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the exchange of gases primarily occur?
In the bronchi
In the alveoli
In the trachea
In the bronchioles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the capillaries surrounding each alveolus?
To cool the blood
To provide a dense network for efficient gas exchange
To decrease the surface area for gas exchange
To increase blood pressure
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main role of red blood cells in the respiratory system?
To regulate blood pressure
To transport oxygen
To fight infections
To carry nutrients
Tags
NGSS.HS-LS1-7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to oxygen after it diffuses into the bloodstream?
It remains in the alveoli
It is transported to cells by red blood cells
It is converted into carbon dioxide
It is expelled immediately
Tags
NGSS.HS-LS2-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the alveolus lining moist?
To protect the alveolus
To trap dust particles
To assist in oxygen diffusion
To cool the air
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What enhances the efficiency of gaseous exchange?
Decreased surface area
Plentiful blood supply
Dry alveolar surfaces
Thick alveolar walls
Tags
NGSS.HS-LS2-5
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