Respiration (match the sentences)
Game to practice and learn the respiratory and excretory system for the 4th grade of primary
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The respiratory system is made up of
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the nose, trachea, bronchi and lungs
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The trachea is a tube that connects
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the nose and the lungs
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The bronchi are 2 thinner
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tubes in which trachea is divided
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The lungs are two
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spongy and elastic organs
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the two breathing movements
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are inhalation and exhalation
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The diaphragm contracts when
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we inhale
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when diaphragm relaxes
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it pushes air out
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Waste substances are the substances
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that are not good for our health
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In the excretory system the blood
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is cleaning
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The excretory system is made up of
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The urethra, kidneys and bladder
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The kidneys filter the
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blood and make urine
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The bladder is the organ
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the urine is stored
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The urethra is a tube through
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urine is expelled
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Sweat contains water,
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mineral salts and waste substances
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