Exercises
23.1. Find out for yourself
23.2 Draw the respiratory system
Draw the respiratory system following the steps below:
a) draw the outline of a human,
b) draw the mouth, the nose, the throat, the trachea, the bronchial tubes and the lungs,
c) the breastbone and the rib cage.
a) draw the outline of a human,
b) draw the mouth, the nose, the throat, the trachea, the bronchial tubes and the lungs,
c) the breastbone and the rib cage.
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