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Natural science unit 3

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  • ___________ leaves your body when you breathe out (exhale)
    Carbon dioxide
  • Food travels down the __________ to the stomach.
    Esophagus
  • What are the main organs of the digestive system?
    Esophagus, stomach, small intestine, large intestine, (and liver)
  • Nutrients pass from the ____________ to the blood.
    small intestine
  • What’s this?
    trachea
  • What is the liquid in our mouth called?
    Saliva
  • Blood carries two important things, _________ and ___________ around the body.
    nutrients and oxygen
  • What are the two kinds of blood vessels?
    veins and arteries
  • The ____________ system moves blood around the body.
    circulatory
  • Muscles and organs are made up of ____________.
    Tissues
  • What takes blood to the heart?
    Veins
  • Put these words in the correct order: LARGE INTESTINE, MOUTH, ESOPHAGUS, RECTUM, STOMACH, SMALL INTESTINE
    Mouth, esophagus, stomach, small intestine, large intestine, rectum
  • What are the main organs of the respiratory system?
    Trachea and lungs
  • What does the heart do?
    It pumps blood around the body.
  • What’s this?
    lungs
  • What takes blood away from the heart to other parts of the body?
    arteries
  • What’s the longest part of the digestive system?
    The small intestine
  • The ____________ system helps your body eliminate waste.
    excretory
  • The _____________ system allows us to breathe.
    respiratory
  • What’s this?
    liver
  • What’s this?
    stomach
  • What are the holes in your nose called?
    Nostrils
  • What’s this?
    intestines
  • What are the main organs of the circulatory system?
    The heart and blood vessels
  • When we breathe out, we exhale __________.
    carbon dioxide
  • What is the final part of the digestive system?
    Rectum
  • What's the muscle that helps your breath?
    Diaphrgm
  • Your lungs take in oxygen and pass it to the ___________.
    Blood
  • What’s the tube that connects the mouth to the lungs called?
    Trachea
  • What’s this?
    esophagus