BiologyRoot Hair Cells Roots have specialized cells called root hair cells, which are long and thin providing a large surface area for the uptake of water and minerals.…
BiologyA Leaf in time Library Activity Basic purpose of this lecture is to present on a Leaf in time Library Activity. Leaves are the organs of photosynthesis and make all the food for…
BiologyThe World of Plants General purpose of this lecture is to present on the World of Plants. World of Plants is divided into: (a) Introducing plants; (b) Growing plants (Pollination, Fertilization,…
BiologyFood Born Illness The aim of this lecture is to present on what is food born illness. Illness resulting from eating food contaminated with a bacteria or virus. May cause…
BiologyDigestion in Ruminants and Rodents Major objective of this lecture is to present on Digestion in Ruminants and Rodents. Here briefly describe on Digestive System of Ruminants: Feed on plant – cellulose; Need…
BiologyDigestive System of Rodents principle objective of this lecture is to present on Digestive System of Rodents. In the rat, as in all tetrapods, there is a sharing of the anterior…
BiologyLecture on Digestive Enzymes Principle objective of this lecture is to presentation on Digestive Enzymes. There are 3 main types of digestive enzymes: Amylase breaks starch down into glucose; Protease breaks protein down…
BiologyDigestive Enzymes Our food is made up of: Carbohydrates; Protein and Fats. Our body needs to digest them – turn them into a form that can be absorbed into the blood…
BiologyDigestion and Peristalsis Prime objective of this lecture is to present on Digestion and Peristalsis. Digestion is important for breaking down food into nutrients, which the body uses for energy,…
BiologyLecture on Digestion Digestion is the breakdown of large molecules (food) into small soluble molecules. This is done by digestive juices and enzymes. Once food is digested it…
BiologyThe Alimentary Canal The alimentary canal (or gut) is the tube within the body through which food passes and is processed in various ways. Alimentary canal, also called digestive…
BiologyAbsorption Process The passage of small food molecules through the wall of the alimentary canal and into vessels that can transport them within the body is call Absorption…