div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader043fdocumentsusreader043viewer202201280361bd22e761276e740b0fba66html5page1jpg target=_blank img data-url=documentheart-worksheet-1-bronx-high-school-of-sciencehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Heart Worksheet 1 - Bronx High School of Science loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsusreader043viewer202201280361bd22e761276e740b0fba66html5thumbnails1jpg width=140 height=200 adivdiv