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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
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoDepends on whats being excreted but usually has a core function. To get red of unwanted or needed " something " whether its nasal discharge to using the restroom. It's your body's way of ridding itself of whatever it has collected and won't use or need or decides that it is harmful to it.
Wiki User
∙ 14y agoas u say the waste products i.e. the things which are not needed any more in the body or which are toxic to the body have to eliminate so all living beings including animals excrete waste products
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What is the function and structure of a cow's anus?
There are many functions and structures in a cows anus. This is to help the animal to excrete waste.
How do ants excrete?
Ants do not technically urinate, because they excrete all waste through a single orifice, which is called the anus.
What do you excrete?
Waste products your body doesn't need.
How do lampreys excrete waste?
they get there oxygen from their flukes.........
Do penguins have a butt?
Penguins do have butts. Like other animals, they have to excrete waste.
Can flowers excrete waste?
They "excrete" oxygen, which for them is a waste product. They "excrete" oxygen, which for them is a waste product.
Is urine the only waste product that humans excrete?
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.
Do robins poop?
Of course they do! Every living animal has to excrete, their waste.
Do fish excrete 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.
Excreting nitrogenous waste as uric acid enables an animal to do what?
Excrete more frequently
Do lobsters poop?
Any animal that eats food must excrete waste products.
What waste the kidneys excrete?
The end product of filtration and re-absorption in the kidneys is urine.
Which animal not have excreation?
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.
What is the function and structure of a cow's anus?
There are many functions and structures in a cows anus. This is to help the animal to excrete waste.
How do Texas horned LIZARDS excrete waste?
They excrete faeces and uric acid from their cloaca.
Why do ferrets excrete?
Ferrets excrete to get rid of waste
How do Pisces fish excrete waste?
crocodile excrete its nitrogenous waste through its cloacal opening
