NEET GURU

Human physiology contains a total of 7 chapters in NCERT textbook. The first chapter is digestion and absorption which tells us about our digestive system. The process of conversion of complex food materials into simple forms is called digestion. Human digestive system is divided into two parts -  the alimentary canal and the associated glands. Our digestive system is complete with two openings - anterior mouth and posterior anus. The mouth leads to oral cavity also known as buccal cavity. This cavity contains teeth and tongue. There are three pairs salivary gland situated just outside the buccal cavity. These are sub maxillary gland (in on the lower jaw) parotid gland (on the cheeks) and sub lingual gland (under the tongue). The secretions from the salivary gland comes to buccal cavity through ducts. The Saliva mainly consist of salivary amylase, some ions like sodium ion potassium ion etc. and Lysozyme enzyme. 30% of the total starch is converted into glucose in mouth by using sa...

PDF is given at end of this page 👇👇. Topic from this chapter that you must study before exam are also given below. Subscribe to my other channel - click here Most asked questions - 1. Mole concept 2. Laws of Chemical combination This chapters has following important topics -  In this unit, you'll study about - • Characteristics of three states of matter • Classification of different substances into elements, compounds and mixtures • Use of scientific notations and determining  significant figures • Precision and accuracy; • SI base units and conversion  of physical quantities from one system of units to another • Laws of chemical combination • Significance of atomic mass, average atomic mass, molecular mass and formula mass • Mole and Molar mass; • Calculation of mass percent of component elements constituting a compound • Empirical formula and molecular formula • Stoichiometry The study of chemistry is very important as its domain encompasses every sphere of life. Che...