Hellow guys, Welcome to my website, and you are watching Afaq iqbal series new science grade 4th page no 7 compare & contrast #vertebrates & #invertebrates. and this vIdeo is uploaded by Mentor English Prof MA Raza at 2021-05-04T13:25:42-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.