It is on your elbow. It is the excess skin
An individual having a history of migraine headaches would most likely be diagnosed with common disorder of central nervous system. Migraines are severe headaches which could cause the individual a tremendous amount of pain that are caused by disturbing of vision or nausea.
The urethra. According to google, “The urethra is the tube‑like structure that carries urine (pee) out of the body.”
