Digestive System

how does food move through your digestive tract?

• By gravity

• By wavelike muscle contractions

• By cilia

• By chemical absorption

Where does most of the digestive process take place?

• Small intestine

• Large intestine

• Stomach

• All of the above

What does the liver do to help digestion?

• Makes important enzymes

• Neutralizes stomach acid

• Produces bile

• Regulates insulin

Which of these can harm the intestinal lining?

• Aspirin

• Antibiotics

• Caffeine

• A and B

Which of these best maintains intestinal health?

• Starches

• Vitamins

• fiber

• fat

Which of these can cause heartburn?

• Being overweight

• Lying down soon after eating a large meal

• Eating high-fat foods

• All of the above

Which of these causes ulcers?

• Bacterial infection in the stomach

• Aspirin and other anti-inflammatory medicines

• Chronic stress

• A and B

Food poisoning is caused by eating contaminated food. How can it be prevented?

• Cooking meat and poultry thoroughly

• Washing fruits and vegetables before eating or cooking them

• all of the above

• Storing food properly

How does age affect digestion?

• all of the above

• Overgrowth of bacteria reduces the amount of nutrients the intestines absorb

• Slows swallowing

• Reduces stomach secretions

In which organ does digestion begin?

• mouth

• stomach

• large intestine

• small intestine