The Video lecture from Nutrition (F.Sc. First Year Biology) covers second part of Human Digestive System i.e. digestion in stomach. It includes the structure of Stomach, different types of layers in stomach and secretions produced in stomach i.e. mucous, hydrochloric acid and pepsin. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.