PRESENTATION OUTLINE
Organ: mouth
Structure: teeth tongue saliva
Function: breaks down food into smaller pieces and saliva moistens it
Organ: esophagus
Structure: hollow muscular tube
Function: contracts and sends food to the stomach
Organ: stomach
Structure: hollow muscular pouch
Function: uses muscles, acids and other chemical to break food into smaller pieces
Organ: small intestine
Structure: tube lined with villi
Function: absorbs nutrients into the blood to break food into smaller pieces
Organ: large intestine
Structure: tube that contracts and pushes waste toward the anus
Function: helps to get rid of waste and absorbs water back into the blood
Organ: anus
Structure: muscular opening
Function: allows waste to exit the body
