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How Our Body Works

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    About our different organ system and its functions
  •   Study   Slideshow
  • What is the breaking down of food into a simpler form called?
    Digestion
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  • Which organ has tiny air sacs?
    Lungs
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  • What breaks down the food in Stomach?
    Digestive juices
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  • Where does digestion begins?
    Mouth
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  • Which organ absorbs water from the undigested food?
    Large Intestine
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  • How many permanent teeth do we have?
    32
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  • Which is the hardest substance in our body?
    Enamel
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  • Which is the harmful sticky substance formed on the tooth?
    plaque
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  • Which organ system uses oxygen to break down food to get energy?
    Respiratory system
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  • What protects the lungs from getting injured?
    ribcage
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  • When we breathe out, this gas leaves the lungs through the nose.
    Carbon di oxide
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