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| 1. |
What is lungs? |
| Answer» <p>The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). Thetrachea(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.</p> <p>The lungs are the primary organs of the respiratory system in human and many other animals including a few fish and some snails. In mammals and most other vertebrates two lungs are located near the backbone on either side of the heart .</p> | |