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».
The type of anxiety experienced by people with an anxiety condition is more frequent or persistent, not always connected to an obvious challenge, and impacts on their quality of life and day-to-day functioning. While each anxiety condition has its own unique features, there are some common symptoms including: Physical: panic attacks, hot and cold flushes, racing heart, tightening of the chest, quick breathing, restlessness, or feeling tense, wound up and edgy.