The exchange of oxygen into the blood and carbon dioxide into the air allows the blood leaving the lungs to provide oxygen to the bodyâs cells, while depositing carbon dioxide waste into the air. Control of Breathing. Breathing is controlled by the brain and may be controlled both consciously and unconsciously.
Phone | 312/899-1500 or 800/228-2262 Fax | 312/899-1259 E-mail Submission | Submit your question or comment to the AAMA by using this form to expedite the process. You can expect a response, if applicable, within three business days. * See the services provided by each department below and select a subject for your e-mail accordingly:
While 800-433-7300 is American Airlines's best toll-free number, there are 9 total ways to get in touch with them. The next best way to talk to their customer support team, according to other American Airlines customers, is by calling their 800-433-1790 phone number for their Business Extra Program department. Besides calling, the next favorite option for customers looking for help is via 800-433-1790 for Business Extra Program.