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    8HW Respiration Breathing Ws

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    8HW Respiration Breathing Ws

    Uploaded by

    noddy_noddy
    51 views1 page
    respiration breathing

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    8HW_respiration_breathing_ws

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    respiration breathing

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    © All Rights Reserved
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    51 views1 page

    8HW Respiration Breathing Ws

    Uploaded by

    noddy_noddy
    respiration breathing

    Copyright:

    © All Rights Reserved
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    of 1

    Unit 7: The human body

    7.3 Respiration and breathing

    WORD BANK
    • expand • exhaled
    • inhale • lungs
    • respiratory • diaphragm
    • mouth • breathe
    • hiccups • trachea
    • larynx • body
    • carbon dioxide • cough
    • sneeze • oxygen
    • wind pipe • lung

    1 Use the diagram and the word bank


    to complete the information.
    Respiration is the process of
    converting oxygen and
    carbohydrates into carbon dioxide
    and water, releasing energy. The oxygen gets into our system when we
    _ _ _ _ _ _ _ in and out. When you breathe in, the lungs take in fresh _ _ _ _ _ _.
    When you breathe out, _ _ _ _ _ _ _ _ _ _ _ _ _ and other waste gases are
    given out.
    To breathe in, or inhale, the intercostal muscles of the ribcage cause it to
    _ _ _ _ _ _ and the diaphragm tightens and flattens. This sucks air into
    the _ _ _ _ _. To breathe out, or exhale, the intercostal muscles and the
    _ _ _ _ _ _ _ _ _ relax, pushing the air out.
    When you _ _ _ _ _ _ , the air travels in through the nose and _ _ _ _ _, past
    the _ _ _ _ _ _ (voice box), and into the trachea ( _ _ _ _ _ _ _ _). The
    _ _ _ _ _ _ _ then branches into bronchi which lead to each _ _ _ _. The bronchi
    branch into bronchioles then end in the air sacs called alveoli.
    Tiny blood vessels called capillaries surround the alveoli, delivering carbon
    dioxide and other wastes to be _ _ _ _ _ _ _ and picking up oxygen to be carried
    around the rest of the _ _ _ _.
    We don’t often think very much about the _ _ _ _ _ _ _ _ _ _ _ system, but
    sometimes a cough, sneeze or hiccup reminds us about it. A _ _ _ _ _ is your
    body’s way of clearing the airway, an irritation in the upper airway causes us to
    _ _ _ _ _ _ and _ _ _ _ _ _ _ are caused by a spasm of the diaphragm.

    © Laura Morrison and Blake Education 2009 Achieve! Science – Literacy for science 44

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