Answer:
1.body with oxygen and removing carbon dioxide
2. nostrils and nasal cavity
3.trachea
4.bronchi
5.branchioles
6.alveoli
7.inhallation
8.exhallation
9. pull downward ,pull upward
10.diaphragm
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Answers & Comments
Answer:
1.body with oxygen and removing carbon dioxide
2. nostrils and nasal cavity
3.trachea
4.bronchi
5.branchioles
6.alveoli
7.inhallation
8.exhallation
9. pull downward ,pull upward
10.diaphragm