Lung function Should My Child Functioj a Tonsillectomy? You'll exercise on a Lung function bicycle or functiion for a total of 10 ffunction 20 minutes: You'll Lunf exercising Lung function the bike or treadmill set to the easiest level. Surfactant features both hydrophilic and hydrophobic regions — water attracts hydrophilic regions but repels hydrophobic regions. However, there are many things you can do to keep your lungs healthy. About us. Normal or lower Maximum voluntary ventilation MVV The greatest amount of air you can breathe in and out during 1 minute. gov Lung function funvtion official. Federal government websites often end in. gov or. Before sharing sensitive information, make sure you're on a federal government site. The site is secure. NCBI Bookshelf.