URINARY SYSTEM

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Functions

If the kidneys didn't remove the waste, they would build up in the blood and damage the body .

It filters the waste products and excess water from te blood and excrete them from the body .

parts of the urinary system

Urethra

It is a tube that allows urine to pass outside the body.

Pelvis

Bladder

The bladder's walls relax and expand to store urine, and contract and flatten to empty urine through the urethra.

Ureters

Muscles are continually tighten and relax forcing urine downward, away from the kidneys. If urine backs up a kidney infection can develop.

Renal vein

Kidneys

Their function is to remove the liquid waste from the blood in the form of urine keeping a stable balance of cells and other substances in the blood

which is a pair of organs that are located below the ribs toward the middle of the back.