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The Kidneys, where the blood/urea thing takes place.
Urine is responsible for getting rid of the waste and extra water your body doesn't need. The waste is created from body processes such as digestion and metabolism. The body takes what it needs, and the rest is removed through urinating.
The body processes water by filtering it through the kidneys, where waste and excess substances are removed. The filtered water, along with waste products, forms urine which is then stored in the bladder until it is expelled from the body through urination.
The byproducts of cellular respiration are water, ammonia and carbon dioxide. These are not used by the cell. Carbon dioxide is removed from the body through respiration. Ammonia and water are removed from the body through urine.
Urine is excreted from the body through the urethra, which is a tube that connects the bladder to the genitals for elimination.
Interstitial fluid is removed from the body through the lymphatic system. Lymphatic vessels collect the interstitial fluid, filtering and returning it to the bloodstream through lymph nodes. From there, the interstitial fluid is eventually eliminated from the body through the kidneys as urine.
Urine is excreted from the body by the bladder. But before the bladder, the kidneys filter the liquids you have drank and they keep the "good stuff" in while exporting the "leftovers" or 'waste" to the bladder.. which is then released to your external environment.
Heat is removed from the body through radiation, where heat is transferred from the body to the surrounding environment through electromagnetic waves, and through convection, where heat is transferred by the movement of air or water across the skin, carrying away excess heat.
Urea is primarily removed from the body by being filtered out of the blood by the kidneys and excreted in urine. It is a waste product produced by the breakdown of proteins in the liver, and its removal helps maintain the body's nitrogen balance.
Ammonia is removed from the body primarily by the liver through the process of urea production, which is then excreted in urine. Additionally, ammonia can also be eliminated through sweat and exhalation.
Urine is formed in the kidneys, specifically by the renal tubules in the nephrons of the kidneys. It then is collected by the renal pelvis, where it exits though the ureters, moves to the bladder where it is stored until urination, during which it is expelled through the urethra.
Urine exits the body through the urethra, which is a tube that connects the bladder to the external environment. The urethra allows urine to be transported out of the body during urination.