1. The nasal cavity is separated from the oral cavity by the hard and soft __________________. The cartilaginous flap at the opening of the larynx that prevents the entry of food into the lower respiratory system is called the ________________. The posterior wall of the trachea is made up of a smooth muscle called the ____________ _______________. 2. The lungs are located in the _______________ cavity. 3. The lungs are surrounded by a double serous membrane called the ___________. The inner membrane that touches the lung is the ________________ _______________ while the outer membrane that touches the inside of the thoracic cavity is the ______________ _______________. 4. There are ___________ lobes in the right lung and _________ lobes in the left lung. This means that there are __________ secondary bronchi on the right and __________ secondary bronchi on the left. 5. The type of cell in the alveoli through which gas exchange takes place is called a(an) _______________________________________; the type of cell which gets rid of pathogens or debris is called a(an) _______________________________________________ and the type of cell that produces surfactant is called a(an) __________________________________ 6. Name the primary muscles involved in quiet inspiration. __________________________ 7. The two regions of the brain stem that control the breathing rate are the _____________________ and the _____________________.
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- Fall '18
- Jyoti Wagle