Some of the differences between the CPAP and the BiPAP are that the CPAP pressure setting is fixed while the BiPAPâs can be adjusted. The CPAP delivers one level of air pressure while the BiPAP delivers two. A CPAP is less expensive than a BiPAP, while the BiPAP tends to be slightly noisier than the CPAP.
Anaerobic bacteria are bacteria that do not live or grow in the presence of oxygen. In humans, these bacteria are most commonly found in the gastrointestinal tract. They play a role in conditions such as. , , and.
aerobic. ( 1 of an organism or tissue) requiring the presence of air or free oxygen for life. 2  pertaining to or caused by the presence of oxygen. 3  of or utilizing the principles of aerobics: aerobic exercises; aerobic dances.