| A | B |
|---|
| How long is the human digestive tract? | about 30 feet |
| Which type of teeth is used for crushing, grinding and chewing the food? | molars |
| Which type of teeth is used for tearing and ripping the food? | canines |
| Which type of teeth is used for cutting off a bite of food? | incisors |
| The tongue rolls the food into a round ball called a __________ to be swallowed. | bolus |
| What chemical helps make food slippery to be swallowed down the pharynx and esophagus? | saliva or mucus |
| Name the flap in the pharynx which prevents food from entering the nose. | uvula |
| Name the tube in the throat used for swallowing and breathing. | pharynx |
| Name the flap in the throat that prevents food from entering the windpipe and lungs. | epiglottis |
| Name the tube in the chest that connects the pharynx to the stomach. | esophagus |
| Name the ring of muscle that controls the entrance to the stomach from the esophagus. | cardiac sphincter |
| Where does the body store food after it has been swallowed? | stomach |
| What protects the lining of the stomach from its own acid? | mucus |
| After the stomach's strong chemicals and acids have digested the food, it becomes a creamy mass called ____________. | chyme |
| Name the ring of muscle that controls the exit of food from the stomach into the small intestine. | pyloric sphincter |
| Where does the body absorb the nutrients from the food into the blood stream? | small intestine |
| Name the millions of folds and ridges inside the small intestine used to increase absorption . | villi |
| Where does the body absorb the water from the digestion waste products? | large intestine |
| Name the small, finger-like sac hanging down from the large intestine that used to help digest plant foods. | appendix |
| Where does the body store the solid waste products of digestion before they are ready for elimination? | rectum |
| Name the ring of muscle at the end of the rectum used to hold and release the waste products of digestion. | anus |
| _____________________ is the wave-like rolls of muscle contraction that move food through the digestive tract. | Peristalsis |
| What organs produce saliva? | salivary glands |
| What organ produces bile? | liver |
| What liquid helps to digest the fat in foods, breaking it down into smaller pieces. | bile |
| What organ stores bile and releases it onto the food as it enters the small intestine. | gallbladder |
| What organ produces sodium bicarbonate? | pancreas |
| What liquid helps to neutralize the acid in the food as it leaves the stomach and enters the small intestine? | sodium bicarbonate |
