Small intestine and food absorption

What is the length of the digestive system?

• 15 meters

• 9 meters

• 5 meters

• 12 meters

What is the breakdown of food from large insoluble molecules into small molecules called?

• Digestion

• Absorption

• Assimilation

• Metabolism

Which organ is responsible for the absorption of food molecules?

• Stomach

• Large Intestine

• Liver

• Small Intestine

What are carbohydrates broken down into as they move through the digestive system?

• Sugars

• Fatty Acids

• Glycerol

• Amino Acids

What are proteins broken down into as they move through the digestive system?

• Sugars

• Amino Acids

• Glycerol

• Fatty Acids

What are fats broken down into as they move through the digestive system?

• Fatty Acids

• Sugars

• Glycerol

• Amino Acids

What are the tiny finger-like projections in the small intestine called?

• Capillary

• Intestine

• Villi

• Lacteal