Digestive System Quiz

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

• Absorbing nutrients directly into the bloodstream

• Producing bile to break down fats

• Regulating body temperature

• Chewing food and mixing it with saliva to aid in digestion.

What is the simpler form of carbohydrates?

• cellulase

• Starch

• Amino acids

• Sugar and glucose

Where does food go after leaving the mouth?

• Intestines

• Brain

• Lungs

• Stomach

What is the main function of the stomach in digestion?

• To paint the food blue

• To perform a magic trick on the food

• To recite poetry to the food

• To break down food into smaller particles

Which acid is found in the stomach that helps break down food?

• Sulfuric acid

• Hydrochloric acid (HCl)

• Nitric acid

• Acetic acid

Where does most of the absorption of nutrients occur in the digestive system?

• Stomach

• Large intestine

• Esophagus

• Small intestine

Which is the largest gland in our body?

• Pancreas

• Liver

• Stomach

• Small intestine

What is the function of the large intestine in the digestive system?

• Regulates blood sugar levels

• Absorbs water and salts, eliminates waste

• Secretes enzymes for digestion

• Stores excess nutrients

Which organ is responsible for taking nutrients to the blood stream of our body?

• Pancreas

• Villi

• Oesophagus

• Small intestine

What happens to undigested food in the large intestine?

• It is further broken down by bacteria through fermentation, water and electrolytes are absorbed, and the remaining waste forms into feces for elimination.

• It is excreted through the mouth

• It is absorbed directly into the bloodstream

• It remains in the large intestine indefinitely