Exchange and transport

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What are the walls of the trachea made up of?
Cartilage
1 of 10
What is the role of goblet cells?
Secrete mucus to trap particles
2 of 10
During expiration what happens to the diaphragm?
Relaxes and is pushed up
3 of 10
What is the tidal volume?
Volume of air moved in and out at rest
4 of 10
Why does blood bring CO2 to the lungs?
Maintain diffusion gradient
5 of 10
What happens to the pressure in the chest cavity during inspiration?
Drops below atmospheric pressure
6 of 10
What type of epithelium is found in the walls of the alveolus?
Squamous
7 of 10
How does the capillary wall reduce diffusion distance?
One cell thick
8 of 10
Smooth muscle mainly makes up what wall in the respiratory system?
Bronchioles
9 of 10
What is the role of cilia in the trachea?
Waft mucus up the airway to the back of the throat
10 of 10

Other cards in this set

Card 2

Front

What is the role of goblet cells?

Back

Secrete mucus to trap particles

Card 3

Front

During expiration what happens to the diaphragm?

Back

Preview of the front of card 3

Card 4

Front

What is the tidal volume?

Back

Preview of the front of card 4

Card 5

Front

Why does blood bring CO2 to the lungs?

Back

Preview of the front of card 5
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