Human and Animal Digestive System Quiz

What is the main purpose of digestion?

• To make food colorful

• To transform food for cell use

• To keep food fresh

• To make food taste better

Which organ starts the digestion process?

• Esophagus

• Stomach

• Mouth

• Intestine

What do incisors do?

• Grind food

• Tear food

• Crush food

• Cut food

What is the name of the liquid formed in the stomach?

• Chyme

• Bile

• Quilo

• Saliva

What is the function of the small intestine?

• To absorb nutrients

• To store food

• To break down bones

• To produce saliva

What do the villi in the small intestine do?

• Help in digestion

• Absorb nutrients

• Produce bile

• Store waste

What should you do after meals to take care of your teeth?

• Drink soda

• Brush your teeth

• Skip meals

• Eat more sweets

What is the main difference between herbivores and carnivores?

• Herbivores have shorter intestines

• Carnivores digest food faster

• Carnivores eat more plants

• Herbivores have longer intestines

What is external respiration?

• Sleeping

• Drinking water

• Eating food

• Breathing in and out

What does the air we breathe out contain more of?

• Carbon dioxide

• Nitrogen

• Oxygen

• Hydrogen