ANATOMY

Detailed explanation-1: -The urine flows from the kidneys through the ureters to the bladder. The urine is stored in the bladder until it leaves the body through the urethra.

Detailed explanation-2: -The kidney and urinary systems help the body to eliminate liquid waste called urea, and to keep chemicals, such as potassium and sodium, and water in balance. Urea is produced when foods containing protein, such as meat, poultry, and certain vegetables, are broken down in the body.

Detailed explanation-3: -The urethra is the hollow tube that lets urine, a waste product, leave the body.

Detailed explanation-4: -Urine is produced in the kidneys. It flows through tubes called ureters, and into the bladder. Urine leaves the body through the urethra.