Understanding the Human Digestive System

What is the primary function of the human digestive system?

• To pump blood throughout the body

• To support the body's movement

• To convert food into nutrients

• To remove waste products from the body

Which organ is responsible for the absorption of nutrients?

• Stomach

• Small intestine

• Large intestine

• Liver

What role does the circulatory system play in digestion?

• It produces digestive enzymes

• It absorbs nutrients

• It transports nutrients throughout the body

• It eliminates waste products

Which of the following is NOT a digestive enzyme?

• Amylase

• Insulin

• Lipase

• Pepsin

Where does the process of digestion begin?

• Stomach

• Mouth

• Small intestine

• Esophagus

What is the role of the stomach in digestion?

• It absorbs water and salts

• It stores undigested food

• It breaks down food with acids and enzymes

• It transports food to the small intestine

How does the digestive system interact with the nervous system?

• By controlling the speed of digestion

• By producing digestive enzymes

• By absorbing nutrients

• By transporting nutrients

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

• To produce bile

• To absorb nutrients

• To absorb water and salts

• To digest proteins

Which organ produces bile?

• Pancreas

• Liver

• Gallbladder

• Stomach

What is the role of bile in digestion?

• It breaks down carbohydrates

• It neutralizes stomach acid

• It emulsifies fats

• It absorbs vitamins