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What are lungs composed of?
Lungs are composed of spongy, elastic tissue that expands easily during inhalation and recoils rapidly as exhalation occurs.
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What does the spongy, elastic tissue of lungs do during inhalation?
The spongy, elastic tissue expands easily during inhalation and recoils rapidly as exhalation occurs.
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What does the spongy, elastic tissue of lungs do as exhalation occurs?
The spongy, elastic tissue of lungs expands easily during inhalation and recoils rapidly as exhalation occurs.
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What do pleural membranes cover and separate?
Pleural membranes cover and separate the lungs from other organs, such as the heart.
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What are the pleural membranes?
- Thin pair of membranes covering and separating the lungs from other organs such as the heart.
- The lungs are stuck to the rib cage and diaphragm by the pleural fluid.
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Such as what organ do pleural membranes separate from the lungs?
Pleural membranes separate the lungs from other organs such as the heart.
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How are lungs stuck to the rib cage and diaphragm?
The lungs are stuck to the rib cage and diaphragm by the pleural fluid.
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What does the pleural fluid do?
Lungs are stuck to the rib cage and diaphragm by the pleural fluid.
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Describe the rib cage?
- Composed of 12 thoracic vertebrae, 12 ribs and the sternum.
- Muscles are located between each rib- intercoastal muscles, they contract causing the rib cage to move upwards and outwards drawing air into the lungs.
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What is the rib cage composed of?
- 12 thoracic vertebrae
- 12 ribs
- The sternum
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Where is muscle located around the rib cage?
- Muscles are located between each rib - intercoastal muscles.
- They contract causing rib cage to move upwards and outwards drawing air into the lungs.
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What are intercoastal muscles?
Muscles that are located between each rib, they contract causing the rib cage to move upwards and outwards, drawing air into the lungs.
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What happens as the intercoastal muscles contract?
Intercoastal muscles contract causing the rib cage to move upwards and outwards drawing air into the lungs.
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What leads to the rib cage to move upwards and outwards?
Intercoastal muscles contract causing rib cage to move upwards and outwards drawing air into the lungs.
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How is air drawn into the lungs by the rib cage?
Intercoastal muscles contract causing the rib cage to move upwards and outwards drawing air into the lungs.
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