Question

Name, in sequence, the digestive organs that food passes through in the gastrointestinal tract, from the mouth to the anus.

Describe two ways that the mouth helps digest food.

How do villi and microvilli help the small intestine absorb nutrients?

What are two functions of helpful bacteria in the large intestine?

Describe what happens to carbohydrates as they pass through the organs of the GI tract.

Antibiotics are medications that destroy bacteria. Explain how antibiotics might help treat stomach ulcers.

Why is it important for digestive system functions that mucous membranes can secrete and absorb substances?

Compare and contrast two digestive enzymes that work in the duodenum.

Answer 1

Answer: mouth, esophagus, stomach, small intestine, large intestine, and anus.

Mouth. The digestive process starts in your mouth when you chew.

increase the surface of each individual cell

Break down undigested food.

Digestion of Carbohydrates

the first line of defense against infiltration of microorganisms, digestive enzymes and acids, digested food particles, microbial by-products, and food-associated toxins.