HE Digestion

What is the primary function of digestion?

• To eliminate waste products from the body

• To break down food into smaller components for absorption

• To transport food directly into the bloodstream

• To store food for future energy use

Which organ is NOT considered an accessory organ of the digestive system?

• Liver

• Pancreas

• Heart

• Gallbladder

Where does the process of digestion begin?

• Mouth

• Large intestine

• Small intestine

• Stomach

What role does saliva play in digestion?

• It contains an enzyme that begins to break down starches

• It neutralizes stomach acids

• It contains enzymes that begin breaking down proteins

• It lubricates the food for easier swallowing

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

• To carry food from the mouth to the stomach

• To store undigested food

• To absorb nutrients

• To digest proteins

What is the main function of the stomach in the digestive process?

• To absorb nutrients

• To produce bile

• To digest proteins

• To store food

How long is the small intestine approximately?

• 10 meters

• 7 meters

• 1.5 meters

• 3.5 meters

What is the role of bile in the digestive system?

• To emulsify fats

• To produce gastric juice

• To digest carbohydrates

• To absorb nutrients

Which part of the digestive system is primarily involved in water absorption?

• Mouth

• Large intestine

• Small intestine

• Stomach

What causes Gastro-oesophageal reflux disease (GORD)?

• Inflammation of the large intestine

• Acidic stomach contents moving back up the oesophagus

• A blockage in the small intestine

• The presence of stomach ulcers