1.0International School Crnjanski - Jagodina, Serbiahttps://crnjanski.rs/enMomahttps://crnjanski.rs/en/author/moma/rich600338<blockquote class="wp-embedded-content" data-secret="D62ZfR5gux"><a href="https://crnjanski.rs/en/2023/10/10/blood-groups/">Blood Groups</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://crnjanski.rs/en/2023/10/10/blood-groups/embed/#?secret=D62ZfR5gux" width="600" height="338" title="“Blood Groups” — International School Crnjanski - Jagodina, Serbia" data-secret="D62ZfR5gux" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://crnjanski.rs/en/wp-includes/js/wp-embed.min.js </script> https://crnjanski.rs/en/wp-content/uploads/sites/2/2023/10/IMG_3772-1-copy-scaled.jpg25601706In biology class, 7th grade students learned about blood groups and how blood groups are determined in the laboratory. Using the school set, we made fake blood and with the help of the template, determined the blood type.