Did you know your heart is wrapped in a natural protective layer called the Pericardium?<br />It’s a double-walled sac that keeps your heart safe from shocks, infections, and friction — nature’s very own shield!<br />Watch this short and fascinating video to learn more about how your body protects its most vital organ.<br />Don’t forget to like, follow, and share for more amazing human body facts with Mr Ali!<br />human body facts, pericardium, heart protection, biology facts, amazing body, science explained, educational video, Mr Ali, anatomy shorts, health science, Dailymotion video, quick science facts<br />