Exploring the Human Digestive System for Kids

What are the two main functions of the digestive system?

• To control body temperature and manage stress

• To circulate blood and filter toxins

• To change food into nutrients and remove waste

• To provide energy and oxygen

What starts the digestion process?

• Taking the first bite of food

• The small intestine absorbing nutrients

• The liver producing bile

• The stomach mixing food

What is the function of the epiglottis?

• To absorb nutrients

• To prevent food from entering the windpipe

• To produce digestive enzymes

• To store bile

What is the role of stomach acid?

• To dissolve metals

• To make the food taste better

• To cool down the food

• To provide nutrients

What happens to the food in the stomach?

• It is immediately absorbed as nutrients

• It is stored and broken down into a liquidy mixture

• It is converted into oxygen

• It is expelled as waste

Which organ is the largest internal organ in the body?

• The small intestine

• The heart

• The stomach

• The liver

What percentage of food absorption occurs in the small intestine?

• 90%

• 100%

• 50%

• 70%

What does the liver do with nutrients from the small intestine?

• Immediately expels them

• Converts them into waste

• Stores them indefinitely

• Decides what to do with them

What is the final step in the digestive process?

• Breaking down food in the stomach

• Production of bile in the gallbladder

• Expulsion of solid waste

• Nutrient absorption in the liver

What role does the appendix play according to recent findings?

• Stores good bacteria

• Produces digestive enzymes

• Filters blood

• Absorbs nutrients