Exploring the Human Digestive System

Which organ is primarily responsible for the absorption of nutrients in the human digestive system?

• Stomach

• Small intestine

• Large intestine

• Oesophagus

What is the main function of the oesophagus in digestion?

• Absorption of nutrients

• Production of bile

• Transport of food to the stomach

• Secretion of digestive enzymes

Which enzyme is responsible for breaking down starch into maltose in the mouth?

• Pepsin

• Amylase

• Lipase

• Lactase

Where is bile produced in the human body?

• Pancreas

• Liver

• Gall bladder

• Stomach

Which of the following best describes peristalsis?

• The release of digestive enzymes

• The rhythmic contraction of muscles to move food

• The absorption of nutrients

• The production of saliva

What is the main role of the large intestine in digestion?

• Absorption of amino acids

• Absorption of water and minerals

• Production of insulin

• Breakdown of fats

Which enzyme is secreted by the stomach to digest proteins?

• Amylase

• Pepsin

• Maltase

• Sucrase

What is the function of villi in the small intestine?

• Increase surface area for absorption

• Secrete digestive enzymes

• Produce bile

• Store undigested food

Which nutrient is broken down by lipase?

• Carbohydrates

• Proteins

• Fats

• Vitamins

What is the end product of carbohydrate digestion?

• Amino acids

• Fatty acids

• Glucose

• Glycerol