Exchange and transport

What do all exchange surfaces have in common?
-Large S.A -Thin barrier -Fresh supply of molec.
1 of 5
Examples of exchange surfaces?
-Small intestine, where nutrients are absorbed
2 of 5
How lungs are adapted for exchange?
-Large surface area -Thin barrier to reduce diffusion distance
3 of 5
Describe inhalation?
Diaphragm contracts, intercostal muscles contract to rise rib
4 of 5
Describe exhalation?
Diaphra
5 of 5

Other cards in this set

Card 2

Front

Examples of exchange surfaces?

Back

-Small intestine, where nutrients are absorbed

Card 3

Front

How lungs are adapted for exchange?

Back

Preview of the front of card 3

Card 4

Front

Describe inhalation?

Back

Preview of the front of card 4

Card 5

Front

Describe exhalation?

Back

Preview of the front of card 5

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