Which Substance Greatly Reduces the Attractive Forces Among the Water

Question

Which substance greatly reduces the attractive forces among the water molecules lining the alveoli?
A) Lysozyme
B) Converting enzyme
C) Mucus
D) Surfactant

Accepted Answer

Surfactant greatly reduces the attractive forces among the water molecules lining the alveoli, making it easier for them to expand and preventing collapse during exhalation.