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».
Anxiety can make you feel tense, cause nausea, lead to sweating, and so on. These are the symptoms that most people associate with anxiety. But anxiety can cause a host of unusual anxiety symptoms as well, and one of the more frightening anxiety symptoms is a feeling of having a lump in the throat.