Mice don't usually have a great deal of bladder control--they just let go when they need to. If you hold a mouse for any length of time, you will probably get peed on. However, it depends on the mouse, too--tame mice who trust you may wait awhile until they HAVE to go on you, and may even wait until you put them back in the cage. Mice who don't trust you will pee on you as soon as you pick them up. Some mice will also choose to pee in a certain corner of their cage, but many of them don't care. Like dogs and cats, male mice will use their pee to mark their territories.
Ferrets excrete to get rid of waste
They excrete faeces and uric acid from their cloaca.
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.
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.
All of the organs mentioned excrete waste. The lungs excrete carbon dioxide, the large intestine excretes solid waste, and the kidneys excrete nitrogenous waste.
Yes They do
Urea
Waste matter
yes
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Tadpoles excrete ammonia and frogs excrete urea