It’s an educational toy set that is great for kids training their hands-on skills and creativity Easy to understand the working model Human Excretory System 7 parts are labeled in total. • Model of the human excretory system shows the structures of the retroperitoneal cavity which includes: descendingaorta, inferior vena cava, renal veins and arteries, ureter, urinary bladder, kidneys• The model has anatomical details that make it a great teaching aid.
