Respiration In Aquatic Environments Flashcards
1
Q
Why does each filament surface on gills contain many tiny folds called lamellae?
A
Provides large SA
Thin lamellae - O2 has short diffusion distance
Countercurrent system
2
Q
Which direction does water pass through the lamellae?
A
Front to back
3
Q
Which direction does blood pass through the lamellae?
A
Back to front
