hospital 2020
The respiratory system is answerable for getting oxygen to our blood and eradicating carbon dioxide from the body. From the lungs, we exhale the carbon dioxide back out into the ambiance, and the process begins again.
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| 【美今詩歌集】【作者：童驛采】1999年~2020年 |訪問首頁| |
『墨龍』 畫堂 | |
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