This organ in the excretory system is the same size of your fist.
kidney
The human urinary bladder can hold about _______ of urine.
400 to 600 ml
What is my favorite "Greetings"?
Mabuhay!
Urine from the kidneys passes through these tubular tubes before it reaches the urinary bladder.
ureters
An organ in the respiratory system that excretes CO2 but also a part of the excretory system.
lung/lungs