DIGESTIVE SYSTEM

MOUTH

• Structure- teeth, tongue, and saliva
• Breaks down food to smaller pieces and saliva moistens it

ESOPHAGUS

• Structure- hollow muscular tube
• Contracts and sends food to the stomach

STOMACH

• Structure- hollow muscular pouch
• Uses muscles acids and other chemicals to break food into smaller pieces

SMALL INTESTINE

• Structure- tube lined with villi
• Absorbs nutrients into the blood and chemically digests food
• (liver) large heavy triangular shaped organ
• Aids digestion by producing chemicals that break down food

LARGE INTESTINE

• Structure- tube that contracts and pushes waste toward anus
• Helps to get rid of waste and absorbs water back into the blood

ANUS

• Structure- muscular opening
• Allows waste to exit the body

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