How is the respiratory systems related to the circulatory system?
the blood from the circulatory system has to pass through the lungs where carbon dioxide is released from the blood and oxygen is picked up into the blood
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What is number 1 on the diagram?
Nose or nasal cavity
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What is the diaphragm? (2 part answer)
1. A muscle that separates the abdominal cavity from the thoracic cavity & 2. Pushes and pulls against the lungs as we breathe
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Lungs
the organ that carries out the exchange of oxygen and carbon dioxide
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What are numbers 5 & 9 on the diagram?
Bronchus
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Epiglottis
flap of elastic cartilage attached to the larynx that closes when food passes by
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Trachea
a hollow tube (wind pipe) that connects the larynx to the right and left bronchus
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What is number 11 on the diagram?
Alveoli
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What is the. main function of the respiratory system?
The main function of the respiratory system is the exchange of gasses - oxygen enters the body and carbon dioxide is removed.
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Larynx
hollow muscular organ which holds the vocal cords (voice box) which produce sound
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Diaphragm
a sheet of internal skeletal muscle that pulls and pushes against the lungs as we inhale and exhale