Digestive System Quiz

Which of the following is considered a secondary organ of the digestive system?

• Stomach

• Liver

• Large intestine

• Esophagus

Tags

NGSS.MS-LS1-7

What is the primary role of the pancreas in digestion?

• Absorbing nutrients

• Producing digestive enzymes and insulin

• Storing bile

• Breaking down proteins

What is the primary component of saliva that helps in digestion?

• Mucus

• Bile

• Salivary amylase

• Hydrochloric acid

Which part of the digestive system prevents food from entering the airway?

• Uvula

• Epiglottis

• Esophagus

• Pharynx

What substance breaks down fats in the digestive system?

• Hydrochloric acid

• Pepsin

• Lipase

• Amylase

Which of the following is absorbed in the ileum of the small intestine?

• Iron

• Vitamin B-12

• Fatty acids

• Simple sugars

Tags

NGSS.MS-LS1-7

What protects the stomach lining from its own acidic environment?

• Mucus

• Enzymes

• Peristalsis

• Bile

What type of teeth are used for grinding and chewing food?

• Canines

• Incisors

• Molars

• Premolars

What process moves food down the esophagus?

• Mastication

• Peristalsis

• Absorption

• Segmentation

What is the role of the pyloric sphincter?

• Prevents acid reflux into the esophagus

• Regulates the flow of food from the stomach to the small intestine

• Secretes digestive enzymes

• Absorbs nutrients