11. Aveolar Ventilation And Circulation Flashcards
1
Q
What causes Surface Tension?
A
Water molecules are more attracted to other water molecules than air molecules
2
Q
What happens during surface tension?
A
Liquid surface resists any force that can increase surface area (like the expansion of alveolus) and molecules try to get as close together as possible
3
Q
What counteracts surface tension?
A
Surfactants
