Digestive System

What is the involuntary muscular force that propels food through the digestive tract?

• Digestion

• Peristalsis

• Absorption

• Excretion

What protects the stomach lining from the powerful hydrochloric acids it produces?

• A thick muscular wall

• A layer of digestive enzymes

• A thick mucus lining

• The stomach's high pH environment

Are you enjoying the video lesson?

• Yes

• No

Which type of food takes the longest to digest?

• Simple carbohydrates

• Proteins

• Fats

• Vitamins

What is the primary role of the large intestine in the digestive process?

• To break down food with digestive juices

• To absorb nutrients into the bloodstream

• To absorb excess water from digested material

• To produce hydrochloric acid