How long is food stored for in the stomach?

What is gastric juice?

What does gastric juice contain?

What is hydrochloric acid?

What is mucus?

What are digestive juices?

Is the duodenum the first or second part of the small intestine?

What does the pancreas do?

What is the body's largest internal organ?

What is bile?

What is found on the inner lining of the small intestine?

What does it do?

How long is the small intestine?

How long is the large intestine?

What happens in the large intestine?

How does the body get rid of the wastes?

What causes vomiting?

What is heartburn?

Why does it burn when you feel contents of the stomach coming up your oesophagus?

How does your appendix become swollen and inflamed?

How do you treat an inflamed appendix?