Topics: Body System Quiz
what are the main organs in the Excretory System?
A. Kidneys, brain
B. Kidneys, bladder, Ureter, Urethra
C. Kidneys, bones
Preview next quiz:
what are the main organs involved in respiratory system?
A. Nose, Muscle
B. Nose, Trachea, Lung, Diaphragm
C. Kidney, liver