The job of your excretory system is to rid the body of _____ and maintain fluid balance.

What is an enzyme?

Where is food just before it enters the small intestine?

The major organs of the excretory system are_____.

All of the following are ways to take care of your digestive and excretory systems except____________

The last stop for food that the body cannot digest is the _________.

The _______ connects your mouth to your stomach.

a digestive gland that secretes a substance called bile, which helps to digest fats

a coiled tube between 20 and 23 feet long, in which about 90 percent of digestion takes place

a gland that helps the small intestines by producing pancreatic juice, a blend on enzymes that breaks down proteins, carbohydrates, and fats

a small, saclike organ that stores bile until it is needed in the small intestine

an open sore in the stomach lining

organs that filter water and dissolved wastes from the blood and help maintain proper levels of water and salts in the body

Digestion begins in the stomach.

Saliva contains enzymes that break down food.

Digestion involves both mechanical and chemical processes.

To aid digestion, the gallbladder produces bile, a substance that helps break down fats.