div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=chapter-7-the-respiratory-sytemhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Chapter 7 the respiratory sytem loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer202205261854b671324a79592b568b458ehtml5thumbnails1jpg width=140 height=200 divpTHE RESPIRATORY SYSTEMpdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=chapter-7-the-respiratory-sytemhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Chapter 7 the respiratory sytem loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer202205261854b671324a79592b568b458ehtml5thumbnails2jpg width=140 height=200 divpOXYGENpdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=chapter-7-the-respiratory-sytemhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Chapter 7 the respiratory sytem loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer202205261854b671324a79592b568b458ehtml5thumbnails3jpg width=140 height=200 divpCARBON DIOXIDEpdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=chapter-7-the-respiratory-sytemhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: Chapter 7 the respiratory sytem loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer202205261854b671324a79592b568b458ehtml5thumbnails4jpg width=140 height=200 divpALVEOLIpdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=chapter-7-the-respiratory-sytemhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: Chapter 7 the respiratory sytem loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer202205261854b671324a79592b568b458ehtml5thumbnails5jpg width=140 height=200 divpSMOKINGpdiv