Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Changes that developed in L/sec in FEV1 at various levels of ventilation (VE) and various inspired air conditions for temperature and water content (see inset). Values at extreme left of the graph represent effects of inhaling each gas mixture on lung function at rest as determined from previous studies in the same subjects. Reproduced with permission from (41).
