The proteins that help break down large molecules into smaller molecules are

Food moves through the esophagus and the rest of the digestive tract by waves of muscle contractions called

A thin, watery liquid that forms when food mixes with gastric juices

A muscular tube that helps move food from the mouth to the stomach.

A fluid in the mouth that helps digest food.

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

Which organ makes bile to help break down fats?

Why doesn't the stomach digest itself with hydrochloric acid?

An incisor is located where in the mouth?

Solid waste eliminated by the body, specifically the digestive system.

Ball-like mixture of food and saliva formed by the mouth before swallowing.

Muscular sac located at the end of the large intestine that stores feces until it is ready to be eliminated from the body through the anus.

Which one of the following is a simple sugar?

Fats are broken down into

What is the middle portion of the small intestine called?

Duodenal ulcers appear in which of the following

Choose all options that are an ACCESSORY organ.

Food is held in the stomach by the _________ _________.

The majority of chemical digestion occurs in the

The crown of the tooth is covered by which of the following?

The outer-most layer of tissue on most organs in the digestive tract

The enzyme amylase is the key to which conversion process