What is urine?
Q: What is urine?
A: Urine is a liquid created by the body in the kidneys. It is stored in the bladder and comes out of the human body through the urethra, a tube which leads from the bladder to the urethral meatus.
Q: What substances are removed from blood and put into urine?
A: The liver removes many toxins (harmful substances) and adds other substances that the blood needs (amino acids, proteins, coagulation factors, hormones, etc.). Then the kidneys remove excess amounts of urea, salts, etc. by putting them into the urine.
Q: What gives urine its yellow color?
A: The yellow color of urine is caused by urobilins, which are produced by the breakdown of hemoglobin, the substance that gives blood its red color.
Q: How much water does a person produce when they are dehydrated?
A: When a person is dehydrated they will produce less than one liter per day of concentrated urine.
Q: How much water does a person produce when they drink lots of water?
A: When a person drinks lots of water they will produce up to two liters per day of less concentrated urine.
Q: What slang terms for urine exist?
A: Slang terms for urine include "pee", "wee", "wee wees" and "piss".
