Digestive System Quiz

What is the primary function of the digestive system?

• To protect the body from infections

• To break down food and absorb nutrients

• To circulate blood throughout the body

• To regulate body temperature

What is the wave-like motion that moves food down the esophagus called?

• Fermentation

• Digestion

• Peristalsis

• Absorption

Which structure in the small intestine increases the surface area for nutrient absorption?

• Glands

• Microbes

• Cilia

• Villi

What is the role of bacteria in the large intestine?

• To store waste

• To absorb water

• To break down fiber and produce vitamins

• To produce stomach acid

What is a common digestive issue that can occur if the digestive system is not functioning properly?

• Cough

• Fever

• Heartburn

• Headache