Copy these sentences and then match.
1) First the air...
2) Then it...
3) Next it...
4) In the lungs...
5) Alveoli are...
6) In the alveoli...
7) When we inhale...
8) When we exhale...
a) Air leaves the lungs
b) Tiny sacs of air.
c) Enters through the nose.
d) Oxygen passes into the blood.
e) Our lungs fill with air.
f) The bronchi divide into smaller bronchiolies.
g) Passes through the pharynx, larynx and trachea.
h) Goes through the two main bronchi into each lung.
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