Question

excretion in human beings​

Answer 1

Explanation:

the the main excretory organ in the human body is is urine urine

Answer 2

Answer:

The main excretory system in humans is the urinary system. The skin also acts as an organ of excretion by removing water and small amounts of urea and salts (as sweat). The urinary system includes a pair of bean-shaped kidneys located in the back of the abdominal cavity.