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Digestive System

Published on Nov 21, 2015

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PRESENTATION OUTLINE

DIGESTIVE SYSTEM

BY: BROOKE AMENY
Photo by watashiwani

MOUTH

  • Teeth
  • Tongue
  • Saliva
  • Breaks down food into smaller-
  • Pieces and saliva moistens it.
Photo by timbobee

ESOPHAGUS

  • Hollow muscular tube
  • Contracts and sends food to the stomach
Photo by borazivkovic

STOMACH

  • Hollow muscular pouch
  • Uses muscles, acids and other chemicals-
  • To break food into smaller peices

SMALL INTESTINE

  • Tube lined with villi
  • Absorbs nuteients into the blood-
  • And chemically digests food
  • *Most digestion occurs here*
Photo by cliff1066™

LIVER

  • Large, heavy triangular shaped organ
  • Aids in digestion by producing chemicals-
  • That break down food.
Photo by AlyssssylA

LARGE INTESTINE

  • Tube that contracts and pushes waste tward the anus
  • Helps to get rid of waste and absorbs water back into the blood.
Photo by Travis S.

ANUS

  • Muscular opening
  • Allows wasteto exit the body