Gas Exchange In Fish Flashcards
1
Q
Fish gas exchange features
A
- short diffusion distance
- steep conc gradient
- counter current system
- good blood supply
- lots of lamellae (high SA)
2
Q
Similarities between mammal and fish circulatory system
A
3
Q
Differences between mammal & fish circulatory systems
A
4
Q
What is the significance of the fish lamellae in gas exchange
A
5
Q
Why are gills considered organs
A
Consist of bone, blood, epithelial & connective tissues all working to carry out a specific function together
6
Q
Structure of bony fish
A
7
Q
Why do water & blood travel opposite directioms
A
To maintain steep gradient
Therefore continuous unidirectional flow needed
8
Q
Steps of ventilation
A
