the organ that carries out the exchange of oxygen and carbon dioxide
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Pharynx
the passage that leads from the cavities of the nose and mouth to the larynx
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Alveoli
the air sacks at the end of the bronchioles where the gas exchange takes place
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What is number 8 on the diagram?
Trachea
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Diaphragm
a sheet of internal skeletal muscle that pulls and pushes against the lungs as we inhale and exhale
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Bronchus
the 2 major air passages leading from the trachea to the lungs
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What is number 1 on the diagram?
Nose or nasal cavity
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Epiglottis
flap of elastic cartilage attached to the larynx that closes when food passes by
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How is the respiratory system related to the muscular system?
the muscular system uses oxygen which is brought into the body through the respiratory system; the diaphragm (a muscle) helps to bring air into and out of the l
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Trachea
a hollow tube (wind pipe) that connects the larynx to the right and left bronchus