1. Why are the cartilage rings in the trachea C-shaped? allows the esophagus to
ID: 207111 • Letter: 1
Question
1. Why are the cartilage rings in the trachea C-shaped?
allows the esophagus to bulge into the trachea so food can be swallowed
prevents the esophagus from bulging into the trachea so food can be swallowed
allows breathing when swallowing
prevents breathing during swallowing
2. Match the following respiratory structures in the correct order that air goes through as it travels from the nose to the alveolus
primary bronchi
1.
pharynx
2
tertiary bronchi
3.
secondary bronchi
4.
terminal bronchioles
5.
trachea
6.
glottis
7.
nasal cavity
8.
larynx
9.
respiratory bronchioles
10.
alveoli
11.
1. Why are the cartilage rings in the trachea C-shaped?
Selected Answer: Answers:allows the esophagus to bulge into the trachea so food can be swallowed
prevents the esophagus from bulging into the trachea so food can be swallowed
allows breathing when swallowing
prevents breathing during swallowing
2. Match the following respiratory structures in the correct order that air goes through as it travels from the nose to the alveolus
Answers Selected Answerprimary bronchi
1.
pharynx
2
tertiary bronchi
3.
secondary bronchi
4.
terminal bronchioles
5.
trachea
6.
glottis
7.
nasal cavity
8.
larynx
9.
respiratory bronchioles
10.
alveoli
11.
Explanation / Answer
1. allows the esophagus to bulge into the trachea so food can be swallowed.
Cartilagenous rings are C shaped and incomplete to allow trachea to collapse slightly so that esophagus can bulge into trachea to allow swallowing of food.
2.
1. Nasal cavity.
2. Pharynx.
3. Glottis.
4. Larynx.
5. Trachea.
6. Primary bronchi.
7. Secondary bronchi.
8. Tertiary bronchi.
9. Terminal bronchioles.
10. Respiratory bronchioles.
11. Alveoli.
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