Because if we didn't we would proberly explode
When your bladder is full, or when you need to excrete waste from your body.
Waste products your body doesn't need.
The Amoebae excrete waste through a vacuole which is in there cells construction.
wastes occupy space in the body and these wastes are metabolic wastes that are toxic in the body. In short, you will die If you can't take away the wastes in your body because of toxicity.
secrete means expelling out and excrete means waste coming out from the human body.
All living organisms need to excrete waste, as this is one of the characteristics of life. When they are alive, dragonflies excrete waste.
for a more medical answer, your body excretes waste in many ways. * when you exhale, you excrete carbon dioxide * you excrete feces during a bowel movement * you excrete urea in your urine when you urinate * you excrete waste when you sweat I may be missing a few, however, I feel that this is more accurate than poo and wizz
The placenta.
They excrete faeces and uric acid from their cloaca.
Ferrets excrete to get rid of waste
crocodile excrete its nitrogenous waste through its cloacal opening
The word meaning "elimination of body waste" is spelt as you have in the question.