Immunity | Human Immune System | Three Lines of Defense | MDCAT Biology | NEET Biology | Urdu/Hindi

Our immune system is essential for our survival. Without an immune system, our bodies would be open to attack from bacteria, viruses, parasites, and more. It is our immune system that keeps us healthy as we drift through a sea of pathogens. In this video lecture immunity and immune system explained in detail along with various lines of defense. You will find various interactions that comes out to defend the body against pathogens. This channel is created by Dr. Muhammad Sohail, PhD Zoology ( Newcastle University, UK/ Punjab University, Lahore) working as Professor at Higher Education Department, Punjab. He has 15 years of teaching experience in various renown institutions. The main purpose of this channel to provide free education to all who actually grow with biology field. Please subscribe and share to contribute in knowledge sharing. Thanks for watching we are on social media as well link for Facebook page is   / exploreteachingandlearning   Cell#+923214283592 #mdcatbiology #neetbiology #drsohaillectures