Category 1
Which organ receives food first?
Mouth
What do teeth do to food?
They chew and break food into smaller pieces.
Which long tube carries food from the mouth to the stomach?
Esophagus
What does saliva do?
It moistens food and begins the digestion of starch.
Which organ churns food and mixes it with gastric juices?
Stomach
What is the main function of the stomach?
It churns food and mixes it with digestive juices.
Which organ absorbs most of the nutrients from digested food?
Small intestine
What is the main function of the small intestine?
It completes most digestion and absorbs nutrients.
Which organ absorbs most of the remaining water from undigested food?
Large intestine
What is the main function of the large intestine?
It absorbs water and helps form solid waste.