Question

which are structures of the excretory system? select four options.
kidney
spleen
bladder
nephron
ureter
ovary

Explanation:

The excretory system is responsible for removing waste products from the body. The kidney filters blood to form urine, the bladder stores urine, the urethra is the tube through which urine exits the body, and the ureter transports urine from the kidney to the bladder. The spleen is part of the lymphatic system (involved in immune response and filtering blood), the esophagus is part of the digestive system (transports food from the mouth to the stomach), and the ureter is part of the excretory system (transports urine).

Answer:

Kidney, Bladder, Urethra, Ureter