Gaseous Exchange in Fish

?
  • Created by: me543
  • Created on: 22-02-18 16:07
Where does oxygen pass from the water to the blood?
The Gills
1 of 8
How does oxygen enter the blood?
It diffuses down a diffusion gradient
2 of 8
What happens to carbon dioxide at the gills?
It is removed
3 of 8
What are gills protected by?
A flap of tissue called the Operculum
4 of 8
What is each gill composed of?
Filaments
5 of 8
What are filaments covered in?
Lamellae (which contain blood capillaries)
6 of 8
What is it called when blood flows in the opposite direction to water?
A countercurrent system
7 of 8
Which direction will water flow?
From an area of higher pressure to an area of lower pressure.
8 of 8

Other cards in this set

Card 2

Front

How does oxygen enter the blood?

Back

It diffuses down a diffusion gradient

Card 3

Front

What happens to carbon dioxide at the gills?

Back

Preview of the front of card 3

Card 4

Front

What are gills protected by?

Back

Preview of the front of card 4

Card 5

Front

What is each gill composed of?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Exchange surfaces resources »