Because they eat food, like us. It has to come out too.
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Waste products means it now useless, and remaining their will make you sick. But actually not all waste product is not totally "WASTE", C02 when mixed into red blood cell will become bicarbonate--which is also a buffer. Urine, and sweat releases urea--which contains nitrogenous products (I assume you already knew why about nitrogen). Concise explanation. Look for encarta or other books to see why we must elmnate
There are many functions and structures in a cows anus. This is to help the animal to excrete waste.
Answer:Every "animal" poops. and gross why would u ask that.
Ants do not technically urinate, because they excrete all waste through a single orifice, which is called the anus.
Yes, owls have excretory organs that help them remove waste from their bodies. They have kidneys that filter waste from their blood and produce urine. Owls excrete uric acid as their main nitrogenous waste product, which is converted into a white semi-solid substance known as uric acid paste.
No, feces do not excrete through a pig's skin. Pigs excrete feces through their anus, like most other animals. The skin of pigs is not designed to excrete waste in this manner.
They "excrete" oxygen, which for them is a waste product. They "excrete" oxygen, which for them is a waste product.
No, urine is not the only waste product that humans excrete. Humans also excrete waste solids as fecal matter, and waste gas - primarily carbon dioxide and water vapor.
Of course they do! Every living animal has to excrete, their waste.
Oh, yes. In pretty much the normal fashion. A little string comes out of the back of the fish. Almost all animals excrete wastes. Fishes excrete an ammonia-based waste product.
Any animal that eats food must excrete waste products.
Excrete more frequently
The end product of filtration and re-absorption in the kidneys is urine.
All animals excrete, and all plants do, too. It's a necessary way of removing waste products from a living organism. Several do not excrete solid waste, though, if that's what you have in mind.
There are many functions and structures in a cows anus. This is to help the animal to excrete waste.
They excrete faeces and uric acid from their cloaca.
Ferrets excrete to get rid of waste
Pisces fish excrete waste through their gills and kidneys. Waste products such as ammonia are released into the water through their gills, while the kidneys help filter out and excrete other waste materials.