div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: PowerPoint Presentationpharmasyweeblycomuploads373037303361isapghul_leaf_bark_rootpdf · But the guard cells are covered by three subsidiary cells of which one is markedly src=https:reader030fdocumentsinreader030viewer20220409145e8a77f1122c2e1a336cf72bhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv class=annotationa href=https:wwwyoutubecomchannelUCmeBJBLXcXamuPWl-0t5S4w rel=ugc nofollow target=_blankhttps:wwwyoutubecomchannelUCmeBJBLXcXamuPWl-0t5S4wadiv div class=annotationa href=https:wwwyoutubecomchannelUCmeBJBLXcXamuPWl-0t5S4w rel=ugc nofollow target=_blankhttps:wwwyoutubecomchannelUCmeBJBLXcXamuPWl-0t5S4wadivdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: PowerPoint Presentationpharmasyweeblycomuploads373037303361isapghul_leaf_bark_rootpdf · But the guard cells are covered by three subsidiary cells of which one is markedly src=https:reader030fdocumentsinreader030viewer20220409145e8a77f1122c2e1a336cf72bhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: PowerPoint Presentationpharmasyweeblycomuploads373037303361isapghul_leaf_bark_rootpdf · But the guard cells are covered by three subsidiary cells of which one is markedly src=https:reader030fdocumentsinreader030viewer20220409145e8a77f1122c2e1a336cf72bhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: PowerPoint Presentationpharmasyweeblycomuploads373037303361isapghul_leaf_bark_rootpdf · But the guard cells are covered by three subsidiary cells of which one is markedly src=https:reader030fdocumentsinreader030viewer20220409145e8a77f1122c2e1a336cf72bhtml5thumbnails4jpg width=142 height=106...