Exploring the Digestive System

What is the main function of the digestive system?

• To break down food and absorb nutrients.

• To regulate body temperature.

• To store energy for the body.

• To filter toxins from the blood.

Name the first part of the digestive system where food enters.

• mouth

• stomach

• intestines

• esophagus

What enzyme in saliva begins the digestion of carbohydrates?

• Lipase

• Amylase

• Protease

• Cellulase

Which organ is responsible for producing bile?

• Stomach

• Pancreas

• Gallbladder

• Liver

What is the role of the stomach in digestion?

• The stomach is primarily responsible for water absorption.

• The stomach mixes food with gastric juices to break it down into chyme for nutrient absorption.

• The stomach absorbs nutrients directly from food.

• The stomach produces bile for fat digestion.

Name the tube that connects the throat to the stomach.

• trachea

• esophagus

• larynx

• pharynx

What is the function of the small intestine?

• To produce insulin for blood sugar regulation.

• To store bile for fat digestion.

• To filter toxins from the blood.

• The function of the small intestine is to digest food and absorb nutrients.

How long is the average adult small intestine?

• 3 to 4 meters

• 8 to 9 meters

• 10 to 12 meters

• 6 to 7 meters

What are villi and what is their function?

• Villi are projections in the small intestine that enhance nutrient absorption.

• Villi are blood vessels that transport oxygen.

• Villi are cells that produce digestive enzymes.

• Villi are found in the stomach and help with digestion.

Which part of the digestive system absorbs water from food?

• Large intestine

• Stomach

• Small intestine

• Esophagus