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».
7 doctors agreed: Anxiety Symptoms: Anxiety symptoms can include feeling nervous or irritable, muscle tension (especially in neck, shoulders ; back), poor quality or minimal sleep, lack of concentration ; easy fatiguability. Lump in throat or butterfly in stomach sensation can occur. ...Read more.