Question

digestive and excretory systems quick check
which organ in the excretory system filters blood? (1 point)
ureter
urethra
bladder
kidney

Explanation:

The kidneys are the main organs of the excretory system that filter blood, removing waste products and excess substances to form urine. The ureter transports urine from the kidney to the bladder, the urethra is the tube through which urine exits the body, and the bladder stores urine.

Answer:

kidney