It is to supply nutrients to the body. The waste is what was not taken in through the process.
animals have to excrete to remove wastes from their body
They are recycled :)
Lungs excrete carbon dioxide and kidneys excrete urea and other substance
Adult tapeworms "feed" by absorbing their nutrients through the cuticle from their immediate environment and excrete waste products by the same route
Every Organism that takes in nutrients has to excrete waste. Insects are no exception, and the Lady Bug (or Lady beetle) is no different.
Both! They consume nutrients and oxygen, and excrete metabolites.
It supplies Oxygen to the cells and tissues and excrete Carbondioxide from them
The lungs excrete carbon dioxide when we breathe out, while the kidneys excrete water in the form of urine.
-Mechanical Digestion, which is when we chew our food in our mouths.-Chemical Digestion, when the acids in our stomach and intestines accually break it down to enable the body to absorb the nutrients and excrete the waste.
There are two: the digestive system and the cardiovascular system.
Worms don't eat fruit, they eat dirt and excrete nutrients for the soil.