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Questions and Answers
Where is the base of the heart normally located?
Where is the base of the heart normally located?
- At the level of T1–T4, facing backwards and upwards to the right
- At the level of L1–L3, facing forwards and downwards to the right
- At the level of T9–T12, facing backwards and upwards to the left
- At the level of T5–T8, facing forwards and downwards to the left (correct)
What is the primary function of the cardiovascular system?
What is the primary function of the cardiovascular system?
- To protect the body against infections
- To produce hormones for the body
- To regulate body temperature
- To transport nutrients and oxygen-rich blood to all parts of the body (correct)
What is the function of the pericardium?
What is the function of the pericardium?
- To aid in digestion
- To produce red blood cells
- To regulate blood pressure
- To fix the heart to the mediastinum, protect against infection, and provide lubrication for the heart (correct)
How is blood circulated in the cardiovascular system?
How is blood circulated in the cardiovascular system?
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What is the shape of the heart under normal circumstances?
What is the shape of the heart under normal circumstances?
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