The question is a little vague as there are many kinds of waste.
Mostly from the food you eat and drink.
Alternatively you can ingest or inject or absorb other types of waste and toxins.
Urine and feces are the wastes that are expelled from the human body.
10 waste organs.
Your liver.
The anus gets rid of solid waste in the human body
the answer is URETHRA
blader
The Kidneys.
large intestine
The function of the kidney in the human body is to filter waste and excess fluids from the blood to form urine.
the heart
tatti
They assist to expel waste from the body by a system called "peristalsis"