What substance covers the alveoli to reduce surface tension and prevent them from collapsing?
A. mucus
B. plasma
C. surfactant
D. saliva
Question & Answer
What substance covers the alveoli to reduce surface tension and prevent them from collapsing? A. mucus B. plasma C. surfactant D. saliva
1 Answer
Verified archiveSurfactant.
It is an oily substance in the alveoli to prevent surface tension.