Digestive System Functions and Enzymes

What role do enzymes play in digestion?

• Enzymes slow down the chemical reactions that break down food.

• Enzymes speed up the chemical reactions that break down food.

• Enzymes have no effect on digestion.

• Enzymes convert food into energy without breaking it down.

What is the term for the thick liquid that food is turned into in the stomach?

• Chyme

• Bile

• Acid

• Enzyme

What is the term for the chewing of food?

• Mastication

• Digestion

• Ingestion

• Absorption

What is the correct order of digestion?

• Mouth, stomach, esophagus, small intestine, large intestine

• Mouth, esophagus, stomach, small intestine, large intestine

• Esophagus, mouth, stomach, large intestine, small intestine

• Stomach, small intestine, large intestine, mouth, esophagus

What is mechanical digestion?

• The chemical breakdown of food into nutrients.

• The physical breakdown of food into smaller pieces.

• The absorption of nutrients in the intestines.

• The process of eliminating waste from the body.

What is the significance of the esophagus in the digestive system?

• It absorbs nutrients from food.

• It transports food from the mouth to the stomach.

• It produces digestive enzymes.

• It stores food before digestion.

What is the primary function of the small intestine?

• To absorb nutrients from digested food.

• To produce bile for fat digestion.

• To store waste before excretion.

• To break down carbohydrates into sugars.

What is the role of the liver in digestion?

• The liver produces bile, which helps in the digestion of fats.

• The liver absorbs nutrients from the food.

• The liver stores vitamins and minerals for later use.

• The liver filters toxins from the blood.

What is the main function of the large intestine?

• To absorb water and electrolytes from indigestible food matter.

• To digest proteins and fats.

• To produce bile for fat digestion.

• To filter toxins from the blood.

What does peristalsis refer to in the digestive system?

• The action of smooth muscles moving food through the digestive system.

• The process of breaking down food into smaller molecules.

• The absorption of nutrients in the small intestine.

• The secretion of digestive enzymes by the pancreas.