Excretory Passages

information about excretory passages: it is another important part or urinary system organs. it is having produced urine, it's necessary to get rid of it. It drips from the tips of the renal pyramids into the renal pelvis into the upper end of the collecting system, and flows through a series of tubes to the outside. for more info. about it

Facts about urine

• Adults pass about a quart and a half of urine each day, depending on the fluids and foods consumed.
• The volume of urine formed at night is about half that formed in the daytime.
• Normal urine is sterile. It contains fluids, salts and waste products, but it is free of bacteria, viruses and fungi.
• The tissues of the bladder are isolated from urine and toxic substances by a coating that discourages bacteria from attaching and growing on the bladder wall.