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.
Chest Pain Anxiety Symptoms description: 1  Chest pain anxiety symptoms can feel like a pain, sharp shooting pains, or persistent chest pain in the chest area. 2  It can also feel like you have muscle twitches and spasm in the chest. 3  It can also feel like you have a burning, numbness, stabbing pain, an uneasiness, fullness, or pressure in the chest area.