Digestive System Review

What is the main purpose of the digestive system?

• To break down food into nutrients for energy, growth, and cell repair.

• To filter waste products from the blood.

• To transport oxygen to the body's cells.

• To regulate body temperature.

Where does carbohydrate digestion begin?

• Stomach

• Mouth

• Small intestine

• Esophagus

What is the role of the pancreas in digestion?

• Produces digestive enzymes and hormones like insulin.

• Stores bile for fat digestion.

• Absorbs nutrients from digested food.

• Secretes hydrochloric acid to aid digestion.

What is egestion?

• The process of absorbing nutrients into the bloodstream.

• The process of expelling undigested food from the body.

• The process of breaking down food into smaller molecules.

• The process of converting food into energy.

What is the process by which nutrient molecules pass through the wall of your digestive system into your blood?

• Absorption

• Digestion

• Metabolism

• Excretion

What is the function of the large intestine?

• Absorbs water and forms waste.

• Produces digestive enzymes.

• Stores bile for fat digestion.

• Absorbs nutrients from food.

What is the difference between digestion and absorption?

• Digestion is the uptake of nutrients into the bloodstream; absorption is the breakdown of food.

• Digestion is the process of chewing food; absorption is the elimination of waste.

• Digestion is the breakdown of food; absorption is the uptake of nutrients into the bloodstream.

• Digestion is the mixing of food with saliva; absorption is the storage of food in the stomach.

If enter/o means intestines, what is the name of the doctor who specializes in stomach and intestinal conditions?

• Gastroenterologist

• Cardiologist

• Dermatologist

• Neurologist

What is the role of saliva in digestion?

• Begins the breakdown of carbohydrates and lubricates food.

• Increases the acidity of the stomach contents.

• Helps in the absorption of nutrients in the intestines.

• Neutralizes bile in the digestive tract.

What is the primary function of the small intestine?

• Nutrient absorption

• Water filtration

• Waste storage

• Hormone production