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.
Although not an amphetamine, Phentermine is a stimulant similar in chemical makeup to an amphetamine; therefore, the drug affects the body in much the same way. Taking the diet pill can cause a positive result in urine screening testing for amphetamines.Phentermine may be detected in the urine for up to two to four days, depending on how quickly the body metabolizes the drug.The rate varies among individuals and can be influenced by several factors including a person's age, height, weight and amount of body fat.lthough not an amphetamine, Phentermine is a stimulant similar in chemical makeup to an amphetamine; therefore, the drug affects the body in much the same way. Taking the diet pill can cause a positive result in urine screening testing for amphetamines.