Question

________are the main excretory organs in the body.

Answer 1

Excretory system:

1. The human excretory system consists of a pair of kidneys, a pair of ureters, a urinary bladder and a urethra.
2. The kidney is the chief excretory organ in vertebrates to remove urea and nitrogenous wastes from the body of the vertebrates.
3. The pelvis of the kidney posteriorly leads into a long, narrow, muscular and tubular structure known as the ureter.
4. The urinary bladder is a single, large thin-walled, pear-shaped organ located in the pelvic region of the abdominal cavity.
5. Urethra is a small membranous tube that carries urine at an interval from the urinary bladder to the exterior.

Final answer:

Kidneys are the main excretory organs in the body.