Digestive System Homework

What does the stomach do?

• Nothing
• Adds digestive juices to the food
• Goes out to the rectum
• Barley any of these

Muscular tube that connects the mouth to the stomach

• Epiglottis
• Peristalsis
• Stomach
• Esophagus

Flap of skin that covers the opening to the windpipe during swallowing

• Stomach
• Pepsin
• Pancreas
• Epiglottis

What does saliva do?

• Chemically digests food in the mouth.
• Chemically digests food in the stomach
• Protects the stomach from digesting iteself
• Absorbs nutrients from food so the body has energy.

What do the villi do?

• Digests food in the mouth.
• Digests food in the stomach
• Protects the stomach from digesting iteself
• Absorbs nutrients from food so the body has energy.

Where does digestion begin?

• Mouth
• Esophagus
• Stomach
• Small Intestine

What parts of the digestive system help with mechanical digestions?

• Esophagus and Small Intestine
• Mouth and Stomach
• Liver and Gallbladder
• Rectum and Anus

What is the correct order of digestion?

• Mouth - pharynx - stomach - esophagus - L.I. - S.I. - anus - rectum
• Pharynx - mouth - esophagus - stomach - gall bladder - S.I. - rectum - anus - L.I.
• Mouth - pharynx - pancreas - stomach - rectum - gall bladder - S.I. - rectum - anus
• Mouth - pharynx - esophagus - stomach - S.I. - L.I. - rectum - anus

The large intestine's major role is to _________________.

• absorb water from undigested food
• exhale carbon dioxide
• break down food

Part of the small intestine which is found just before it connects to the large intestine.

• Jejunum
• Duodenum
• Appendix
• Ileum