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 symptoms of anxiety are sometimes not all that obvious as they often develop gradually and, given that we all experience some anxiety at some points in time, it can be hard to know how much is too much. Some common symptoms include: 1  hot and cold flushes. 2  racing heart. 3  tightening of the chest. 4  snowballing worries. 5  obsessive thinking and compulsive behaviour.