Waste matter
feces. In their feces is fish bones and stuff.
no, clouds not excrete
yes plants do infact excrete
Yes. All animals excrete.
Ferrets excrete to get rid of waste
Penguins excrete through their anus
All living things excrete.
Lungs excrete carbon dioxide and kidneys excrete urea and other substance
Gives them a temporary burst of energy; also it makes your body excrete more calcium which is problematic as teenagers are growing at this age and you need calcium for your bones.
Yes they do. If you eat, you must excrete.
Yeast excrete CO2 after they undergo respiration.