Gas Exchange - Terrestrial Environments Flashcards
1
Q
What are 4 advantages of breathing air over water?
A
- Air is less dense than water
- Higher oxygen concentration
- Oxygen is more soluble in air
- Tidal ventilation decreases water loss
2
Q
Does moving air take more or less energy than moving water?
A
Less energy
3
Q
What is the biggest cost of air breathing?
A
Water loss
4
Q
How do terrestrial animals minimize water loss?
A
Lung and respiratory system structure
