Parts of the excretory system.Versión en línea In this exercise you will have to label the parts of the excretory system.It will put the words at the top of the page and it will be squeres thet you have to click on it ,depending of the word it put. por alba tovar 1 Kidney 2 Ureter 3 Kidney 4 Ureter 5 Bladder 6 Sphincter 7 Urethra 8 Uterus