Question

. 2: what is the main excretory system of our human body?
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Answer 1

Answer:

Human excretory system includes organs that facilitate the removal of nitrogenous wastes from the body. The main excretory organs include kidney, ureter, urinary bladder and urethra. ... Urine passes to the urinary bladder via ureter and is expelled out of the body.

Answer 2

Answer:

Kidneys are the main organ of the human excretory system. ... The functional unit of a kidney is called the nephron. There is one ureter that comes out of each kidney as an extension of the renal pelvis. The ureter is a thin muscular tube that carries urine from the kidneys to the bladder.