You mean like building something?
Aids is a virus that originated within the homosexual group. The first origin of HIV is debated, however one of the most common theories suggests that HIV began in the Congo, when a homosexual man has bestality sex with a primate (baboon) which carried SIV (similar to the human form: HIV).
This theory is debated, however I personally believe it. There are many solid and factual studies that support this theory.
Because the kidney is the one who produce the urine , a urine is a fluid that contains of ion , water and small soluble compounds. narrow muscular tubes in between the kidneys and bladder is called the ureters. the kidney has the renal cortex, real medulla, the renal pyramids and actually a lot more.
