1. It is where complete digestion of food takes place.
A. Heart B. Lungs C. Small Intestine D. Stomach

2. It removes carbon dioxide and other waste.
A. Liver B. Heart C. Lungs D. Kidney

3. Protect the major organs of the body
A. Brain B. Bones C. Heart D. Small

4. It allows food to be broken down into nutrients.
A. Kidney B. Liver C. Stomach D. Lungs

5. Which human organ filters all the body's blood,removes waste,and regulates body fluids?
A. Brain B. Heart C. Kidney D. Lungs ​