1.0All About Heart And Blood Vesselshttps://johnsonfrancis.org/generalJohnson Francishttps://johnsonfrancis.org/general/author/jf/rich600338<blockquote class="wp-embedded-content" data-secret="Dxi03vRpUD"><a href="https://johnsonfrancis.org/general/cardiovascular-system/">Cardiovascular system</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://johnsonfrancis.org/general/cardiovascular-system/embed/#?secret=Dxi03vRpUD" width="600" height="338" title="“Cardiovascular system” — All About Heart And Blood Vessels" data-secret="Dxi03vRpUD" 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://johnsonfrancis.org/general/wp-includes/js/wp-embed.min.js </script> https://johnsonfrancis.org/general/wp-content/uploads/2015/05/Cardiovascular-System.jpg1200897Cardiovascular system The cardiovascular system (cardio = related to the heart, vascular = related to the blood vessels) is composed of heart, blood vessels and the cells and plasma that constitutes the blood. It maintains the circulation of life giving blood to all parts of our body which is necessary for delivery of nutrients, removal […]