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When you inhale your diaphragm contracts and moves down allowing some extra space. The muscles between your ribs also contract forcing them out also allowing more space. So there is more wiggle room for the lungs when you inhale.

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12y ago
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12y ago

pleura

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Q: What allows the lungs to move freely in the thorax due to the secretion of a serous fluid?
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What is pluera?

Each of a pair of serous membranes lining the thorax and enveloping the lungs


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The thorax. See the related link for more information.


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What do honey bees use their thorax?

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