When air enters our nose, it passes through the (1)____
It passes to
the pharynx and then to the (2)_____
Then the air continues to pass through
the (3)______
down to the lungs. The (4)______
contain millions of
alveoli. It also the sites of (5)______ exchange between air and blood.
Share
Answer:
1. nasal passageways/nasal cavity
2. larynx
3. trachea
4. bronchioles
5. capillaries