Working Of Human Lungs (Urdu/Hindi)
The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. The bronchi then divide into smaller and smaller branches (bronchioles), finally becoming microscopic sacs, called alveloi. watch video for more……
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How do lungs work?
working of lungs
working of human lungs
human lungs structure