Digestive System Basics

What is the function of the mouth in the digestive system?

• Producing bile for fat digestion

• Absorbing nutrients directly into the bloodstream

• Regulating the pH of the stomach

• Chewing and mixing food with saliva

Which organ releases hydrochloric acid to help break down food in the stomach?

• Small intestine

• Liver

• Pancreas

• Stomach

Tags

NGSS.MS-LS1-7

Where does most of the nutrient absorption take place in the digestive system?

• Large intestine

• Stomach

• Esophagus

• Small intestine

What is the main function of the large intestine?

• Digest proteins and carbohydrates

• Absorb water and electrolytes, form and expel feces

• Produce bile for fat digestion

• Regulate blood sugar levels

Which organ produces bile to aid in digestion?

• Kidney

• Pancreas

• Liver

• Stomach

What is the role of the pancreas in the digestive system?

• Stores blood

• Regulates body temperature

• Produces digestive enzymes

• Filters waste products

What type of teeth are used for cutting and tearing food?

• Molars

• Incisors

• Premolars

• Canines

What is the name of the muscular contractions that move food through the digestive system?

• contractionism

• food peristalsis

• peristalsis

• digestive propulsion

What is the lining of the small intestine covered with to increase surface area for nutrient absorption?

• Villi and microvilli

• Hardened layer

• Smooth lining

• Mucus and cilia

What is the final part of the digestive system where water is absorbed from undigested food?

• small intestine

• large intestine

• stomach

• esophagus