Yes, they excrete carbon dioxide, water, and feces just like humans do.
Dogs excrete waste products through defecation and urination. They have a gastrointestinal system that breaks down food, with solid waste expelled through the anus and liquid waste through the urethra.
Yes, a dog would have to push to excrete her puppies from her uterus.
All dogs excrete, its digestion. I suggest a you get a small dog whos excretia is easier to clean or just dont get one all together.
For the same reason you do--to excrete toxic and usless byproducts of the food which they ate.
Dogs, like other mammals, eat their food by masticating (chewing) their food with their jaws and teeth. The linings of their mouth excrete saliva which mixes with the food and makes swallowing possible.
no, clouds not excrete
yes plants do infact excrete
Yes. All animals excrete.
Ferrets excrete to get rid of waste
All living things excrete.
Lungs excrete carbon dioxide and kidneys excrete urea and other substance