div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=heart-rate-handout-forest-hills-high-schoolhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Heart Rate Handout - Forest Hills High School loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer202204181162545979d30a7518460993f8html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=heart-rate-handout-forest-hills-high-schoolhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Heart Rate Handout - Forest Hills High School loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer202204181162545979d30a7518460993f8html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=heart-rate-handout-forest-hills-high-schoolhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Heart Rate Handout - Forest Hills High School loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer202204181162545979d30a7518460993f8html5thumbnails3jpg width=140 height=200 divdiv