Gas Exchange AS Biology

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  • Created by: Gracie
  • Created on: 23-12-12 14:18
What size surface area: volume ratio does Large organisms have?
small
1 of 16
Small air sacs ?
alveoli
2 of 16
alveoli are covered in a network of ?
capillaries
3 of 16
The alveoli have elastic fibres, what feature does the fibres have the ability to do ?
Recoil
4 of 16
Goblet cells secrete .. ?
mucus
5 of 16
mucus traps dust and ?
microorganisms
6 of 16
cartilage stops the airways from ?
collapsing
7 of 16
The distribution of cartilage in the trachea ?
C-shaped
8 of 16
When inspiring, intercostal muscles ?
contract
9 of 16
Expiration does not need energy, therefore is a ?
passive process
10 of 16
Inspiration is a active process, therefore requires ?
energy
11 of 16
What can be used in a spirometer that absorbs CO2 ?
soda lime
12 of 16
The alveoli constantly coil and re-col to re-fresh the air, this maintains a ?
concentration gradient
13 of 16
Smooth muscle is smooth, therefore preventing ?
resistance
14 of 16
What is it called when caculating air in each breath ?
tidal volume
15 of 16
What is it called when caculating the maximum voulme of air that can be breathed in and out ?
vital capacity
16 of 16

Other cards in this set

Card 2

Front

Small air sacs ?

Back

alveoli

Card 3

Front

alveoli are covered in a network of ?

Back

Preview of the front of card 3

Card 4

Front

The alveoli have elastic fibres, what feature does the fibres have the ability to do ?

Back

Preview of the front of card 4

Card 5

Front

Goblet cells secrete .. ?

Back

Preview of the front of card 5
View more cards

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