This process starts in the cellsâ cytoplasm and is completed in the mitochondria-the cellular powerhouse. In those tiny organelles, one molecule of glucose with 6 molecules of oxygen are changed into 36 molecules of ATP â the energy cells can use to get things done.
Symptoms of Severe anxiety. The list of signs and symptoms mentioned in various sources for Severe anxiety includes the 4 symptoms listed below: 1  Feeling of extreme uneasiness or apprehension. 2  Increased heart rate. 3  Sweating. 4  Unable to think clearly. 5  more information...Â».
Generalized Anxiety Disorder Symptoms & Signs. Symptoms of generalized anxiety disorder can vary in severity and may not be the same in all individuals suffering from anxiety. Common symptoms include restlessness, nervousness, worry, difficulty with concentration, feeling as if the mind is blank, sleep disturbances, muscle tension, and fatigue.