When the lungs expand, air move in, and when it contracts, air moves out. The lungs are unable to move on their own because of which one of the following?
جب پھیپھڑوں میں توسیع ہوتی ہے تو ، ہوا میں داخل ہوتی ہے ، اور جب یہ معاہدہ کرتا ہے تو ، ہوا ختم ہوجاتی ہے۔ پھیپھڑے خود ہی آگے بڑھنے سے قاصر ہیں کیونکہ مندرجہ ذیل میں سے کون سا ایک ہے؟
Answer: They are spongy and non-muscular.
Explanation
Lungs are spongy tissues without muscles, so they cannot expand or contract by themselves.
Breathing is controlled by muscles like the diaphragm and intercostal muscles that change lung volume.
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