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WorksheetsRespiratory system
Total questions: 10
Worksheet time: 5mins
Respiratory organ in our body is
kidney
lungs
spleen
liver
tiny sacs of lung tissue specialized for the movement of gases between air and blood.
lungs
bronchi
alveoli
diaphragm
the windpipe; a passage through which air moves in the respiratory system.
trachea
lungs
larynx
bronchi
Which of the following statements is true?
Your lungs can store several hours' worth of oxygen.
Your body can't store oxygen at all.
Your body stores oxygen in your bloodstream.
Your body needs carbon dioxide to function properly.
What can you infer about the function of the ribcage?
It protects the lungs.
It helps the lungs pump oxygen.
It delivers oxygen from the lungs to the bloodstream.
It connects the trachea to the lungs.
Where does the transfer of oxygen into the bloodstream take place?
In the heart
In the trachea
In the alveoli
In the nasal passages
What organ of the respiratory system is in blue.
pharynx
trachea
larynx
epiglottis
What happens when your diaphragm relaxes and moves upward?
Your lungs deflate and you breathe out.
Your lungs inflate and you breathe in.
Your alveoli transfer oxygen to your bloodstream.
Your bloodstream transfers carbon dioxide to your alveoli.
Flap of tissue that covers the opening to the windpipe during swallowing
Pharynx
Trachea
Epiglottis
