By mdkshareef on November 6th, 2010

Human Excretory System

During the functioning of our body, some wastes products are created. These products are ejected out of the body in various different ways. We excess salt and other wastes through sweat.

Organ system that includes the kidneys, where urine is produced, the ureters, bladder and urethra for the passage, storage, and voiding of urine altogether make up the excretory system. The terms excretory and urinary emphasize the eliminatory function of the system. The kidneys, however, both secrete and actively retain within the body certain substances that are as critical to survival as those that are eliminated.

The system contains two kidneys, which control the electrolyte composition of the blood and eliminate dissolved waste products and excess amounts of other substances from the blood; the latter substances are excreted I the urine, which passes from the kidneys to the bladder by way of two thin muscular tubes called the ureters. The bladder is a sac that holds the urine until it is eliminated through the urethra.