Understanding Human Digestion

What is the primary function of the human digestive system?

• To provide energy for physical activity.

• To filter toxins from the blood.

• To regulate body temperature.

• To break down food and absorb nutrients.

Name the organ where most nutrient absorption occurs.

• large intestine

• small intestine

• stomach

• liver

What role does saliva play in digestion?

• Saliva aids in digestion by breaking down carbohydrates, moistening food, and facilitating swallowing.

• Saliva acts as a digestive enzyme for fats.

• Saliva is responsible for the production of bile.

• Saliva primarily helps in the absorption of proteins.

Which part of the digestive system is responsible for water absorption?

• Small intestine

• Large intestine

• Esophagus

• Stomach

What is the function of the pancreas in digestion?

• The pancreas stores bile for fat digestion.

• The pancreas produces insulin for blood sugar regulation.

• The pancreas absorbs nutrients from food.

• The pancreas produces digestive enzymes and bicarbonate for digestion.