Hellow guys, Welcome to my website, and you are watching Сердце:3D-анимация работы сердца и кровообращения организма. Большой и малый круги кровообращения. and this vIdeo is uploaded by Медвидео at 2020-05-10T00:12:39-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.