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Questions and Answers
What is the approximate size of the human heart?
What is the approximate size of the human heart?
How many chambers does the heart of a fish generally have?
How many chambers does the heart of a fish generally have?
What encloses the human heart and contains a small amount of fluid?
What encloses the human heart and contains a small amount of fluid?
What prevents backflow of blood in a healthy heart?
What prevents backflow of blood in a healthy heart?
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Where is the heart located in most animals?
Where is the heart located in most animals?
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What is the primary function of the lungs in the respiratory system?
What is the primary function of the lungs in the respiratory system?
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What is the role of the pleurae in the respiratory system?
What is the role of the pleurae in the respiratory system?
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How is respiration driven in mammals, reptiles, and birds?
How is respiration driven in mammals, reptiles, and birds?
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What mechanism was used for driving air into the lungs in earlier tetrapods?
What mechanism was used for driving air into the lungs in earlier tetrapods?
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What is the main function of the lungs in the gas exchange process?
What is the main function of the lungs in the gas exchange process?
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What is the primary function of the lungs in the respiratory system?
What is the primary function of the lungs in the respiratory system?
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What is the role of the pleurae in the respiratory system?
What is the role of the pleurae in the respiratory system?
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How is respiration driven in mammals, reptiles, and birds?
How is respiration driven in mammals, reptiles, and birds?
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How was air driven into the lungs in earlier tetrapods?
How was air driven into the lungs in earlier tetrapods?
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Where are the lungs located in mammals and most vertebrates?
Where are the lungs located in mammals and most vertebrates?
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