Diffusion refers to the net movement of molecules from higher to lower concentration. Diffusion may be a simple diffusion or . A simple diffusion is one in which that occurs unassisted. Facilitated diffusion in contrast is an assisted diffusion in a way that it requires a carrier molecule. For instance, polar molecules diffuse across a cell membrane through carrier molecules in the cell membrane.
Symptoms of Thanatophobia. The mere mention of death or images or thoughts thereof can trigger a crippling anxiety in the patient. Physical Symptoms: Dizziness, dry mouth, sweating, palpitations, nausea, stomach pain, trembling, sensation of choking, chest pain or discomfort, hot or cold flashes, numbness and tingling sensations.
IBS can cause vomiting, diarrhea, or constipation. Anxiety disorder may cause loss of appetite and lack of interest in sex. Other symptoms include muscle tension, headaches, and insomnia. Frequent panic attacks can cause you to fear the anxiety attacks themselves, thereby increasing overall anxiety. The constant state of stress can lead to clinical depression.