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Questions and Answers
What is the function of the chambers in the heart?
What is the function of the chambers in the heart?
- To ensure deoxygenated blood is pumped out to the body
- To transport carbon dioxide to the lungs
- To mix oxygen-rich blood with deoxygenated blood
- To prevent the mixing of oxygen-rich blood with carbon dioxide-rich blood (correct)
What is the role of the left atrium in the heart?
What is the role of the left atrium in the heart?
- Expands to transfer oxygenated blood to the left ventricle (correct)
- Contracts to pump blood to the lungs
- Relaxes to pump blood to the body
- Dilates to collect deoxygenated blood
Why do ventricles have thicker muscular walls than atria?
Why do ventricles have thicker muscular walls than atria?
- To prevent mixing of deoxygenated blood with oxygenated blood
- To transfer blood to the left atrium
- To pump blood into various organs (correct)
- To pump blood to the lungs
Which chamber in the heart contracts to pump oxygen-rich blood to the body?
Which chamber in the heart contracts to pump oxygen-rich blood to the body?
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What happens in the right atrium as it expands?
What happens in the right atrium as it expands?
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What is the function of valves in the heart?
What is the function of valves in the heart?
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What happens when the left ventricle contracts?
What happens when the left ventricle contracts?
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What is the purpose of transferring carbon dioxide-rich blood to the lungs?
What is the purpose of transferring carbon dioxide-rich blood to the lungs?
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