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Questions and Answers
What is the function of intercostal muscles in the respiratory system?
What is the function of intercostal muscles in the respiratory system?
- To separate the heart and lungs
- To make air rush in through the mouth and nose
- To help with gas exchange in the alveoli
- To control the expansion and contraction of the lungs (correct)
How do ribs contribute to breathing?
How do ribs contribute to breathing?
- By helping to carry oxygenated blood
- By separating the heart and lungs
- By contracting to pull the ribs up and out (correct)
- By exchanging gases in the alveoli
What happens when the diaphragm muscle contracts?
What happens when the diaphragm muscle contracts?
- Air rushes in through the mouth and nose (correct)
- Ribs move up and blood cells arrive at capillaries
- The chest gets smaller and air flows out
- Oxygen binds to red blood cells
What is the function of the trachea in the respiratory system?
What is the function of the trachea in the respiratory system?
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Where are the alveoli located in relation to the bronchioles?
Where are the alveoli located in relation to the bronchioles?
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How does gas exchange occur inside the alveoli?
How does gas exchange occur inside the alveoli?
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What is the main purpose of alveoli in the respiratory system?
What is the main purpose of alveoli in the respiratory system?
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How are alveoli designed to facilitate gas exchange efficiently?
How are alveoli designed to facilitate gas exchange efficiently?
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What happens at the end of each bronchiole in the respiratory system?
What happens at the end of each bronchiole in the respiratory system?
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Why do lungs have millions of bronchioles and alveoli?
Why do lungs have millions of bronchioles and alveoli?
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