Respiratory System (Year 8 Biology)

The following test is covering 'Respiratory System' for Year 8 Biology.

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Question 1

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Where does gas exchange occur in the lungs?

Which gas do we inhale the most of when we breathe?

What is asthma?

Which part of the respiratory system lubricates and protects the lungs?

What is the role of the capillaries in the respiratory system?

What is the area called where the bronchial tubes enter the lungs?

What happens to the chest cavity during exhalation?