The cardiac notch is a feature of which lung?

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Multiple Choice

The cardiac notch is a feature of which lung?

The left lung has a cardiac notch on its anterior border because the heart sits mostly on the left side of the chest. This indentation provides space for the heart and its vessels, making the left lung uniquely shaped with a visible notch. The right lung doesn’t have this notch, since the heart’s position doesn’t push into the right lung in the same way. So the feature belongs to the left lung, not the right, and not to both or to neither.

The left lung has a cardiac notch on its anterior border because the heart sits mostly on the left side of the chest. This indentation provides space for the heart and its vessels, making the left lung uniquely shaped with a visible notch. The right lung doesn’t have this notch, since the heart’s position doesn’t push into the right lung in the same way. So the feature belongs to the left lung, not the right, and not to both or to neither.

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