WorksheetsRespiratory System
Total questions: 1
Worksheet time: 10mins
1-10.
Answer the questions below after watching the video
How long can a person survive without air?
Two days
Two hours
Two weeks
Two minutes
What is the primary function of the respiratory system?
To transport oxygen and remove carbon dioxide
To produce energy
To circulate blood
To digest food
What is the main muscle involved in breathing?
Heart
Liver
Stomach
Diaphragm
How does the diaphragm help in breathing?
By filtering air
By expanding and contracting the chest
By pumping blood
By digesting food
Where does air travel after passing through the trachea?
To the liver
To the bronchi
To the heart
To the stomach
What are the small tubes that the bronchi divide into called?
Bronchioles
Alveoli
Capillaries
Veins
Where does the exchange of gases occur in the lungs?
In the trachea
In the bronchi
In the alveoli
In the diaphragm
What gas is naturally produced by our body and needs to be expelled?
Nitrogen
Hydrogen
Oxygen
Carbon dioxide
What are the tiny blood vessels that wrap around the alveoli called?
Bronchioles
Capillaries
Veins
Arteries
What helps to capture and remove particles from the air we breathe?
White blood cells
Alveoli
Cilia and mucus
Red blood cells
