A film of _____ lines lung alveoli that lowers _____ of the alveoli and makes breathing _____
A. Lecithin, surface tension, easier.
B. Pleuron, surface tension, easier.
C. Cuticle, bacterial inflammation, difficult.
D. Cuticle, inflating, difficult.
Answer:A
A film of _____ lines lung alveoli that lowers _____ of the alveoli and makes breathing _____
A. Lecithin, surface tension, easier. B. Pleuron, surface tension, easier. C. Cuticle, bacterial inflammation, difficult. D. Cuticle, inflating, difficult.