In swallowing, one portion is volunatary and one part is involuntary. â¢ Buccal phase o Voluntary contraction of the tongue o Step 1 in figure â¢ Pharyngeal-esophageal phase o Involuntary o Control center in the medulla and lower pon o Step 2-5 in figure.
Considerations. Serotonin is a mood regulator that occurs naturally in the body. When serotonin levels are chemically altered, as they are with the use of diet supplements such as Phentermine, a chemical imbalance occurs that may lead to feelings of anxiety or depression.
Phentermine (Adipex-PÂ®) is a prescription drug used for weight loss. This medication serves as an appetite suppressant. Phentermine works by aiding the release chemicals in the brain that control appetite. Phentermine should be used for only short periods (for a few weeks) as part of a physician-guided weight loss program, which includes a reduced calorie diet and exercise.