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Human Circulatory System Notes for SSC CGL, CHSL and Railways

Human Circulatory System Notes for SSC CGL, CHSL and Railways

Human Circulatory System Heart Arteries Veins Blood Blood [Plasma (54%) + WBCs (0.7%) + RBCs (45%) + Platelets] The main functions of blood are to transport oxygen, carbon dioxide, water, nutrients, hormones and waste around the body. Blood also fights infection and regulates temperature. Haemopoiesis: The production of blood cells and platelets, which occurs in the bone marrow. Plasma (Yellowish Liquid) Mostly water (up to 95% by volume) and contains dissolved proteins (6–8%) (i.e.—serum albumins, globulins, and fibrinogen), glucose, clotting…

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Atoms and Molecules Notes | SSC | IB | Railways | UPSC 2019

Atoms and Molecules Notes | SSC | IB | Railways | UPSC 2019

Atomic Theories Democritus (470-380 B.C.) [Father of Atomic Theory (early)] He proposed that matter could NOT be divided into smaller pieces forever. He claimed that matter was made of small, hard particles that he called “atomos” Antoine Lavoisier (father of modern chemistry) Laws of Chemical Combination Law of Conservation of Mass: The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reactions, i.e., the total mass of the products is same as…

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Diseases in Humans Notes for SSC CGL, CHSL and Railways

Diseases in Humans Notes for SSC CGL, CHSL and Railways

Disease A disease is a particular abnormal condition that negatively affects the structure or function of part or all of an organism, and that is not due to any external injury. DPT (Diphtheria, Pertussis and Tetanus) is a class of combination vaccines against three infectious diseases in humans. Table of Contents Diseases & Their Agents Viral Diseases Bacterial Diseases Protozoan Diseases Fungal Diseases Worm Diseases Genetic Disorders Cancer Diabetes Nutritional Deficiency Diseases Important Scientists Various Disease and their Agents Agent…

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Notes on Work, Energy and Power for SSC, Banking and Railways.

Notes on Work, Energy and Power for SSC, Banking and Railways.

Table of Contents Work Energy Power Work (w) Work is said to be done when a force is applied on a body and the body displaces from its initial position. w = F x s Types of Work (Positive, Negative, Zero) Positive Work Done: When the displacement is in the direction of the force applied. Ex: A boy pulls an object towards himself. Negative Work Done: If the displacement is in the opposite direction of force applied. Ex: When you’re…

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जीवों का वर्गीकरण के नोट्स (हिंदी में) SSC तथा अन्य परीक्षाओं के लिए

जीवों का वर्गीकरण के नोट्स (हिंदी में) SSC तथा अन्य परीक्षाओं के लिए

जैविक समूहों का वर्गीकरण जगत (किंगडम) > फाइलम (जंतु) / डिवीज़न (पादप) > वर्ग (क्लास) > गण (आर्डर) > कुल (फॅमिली) > वंश (जीनस) > जाति (स्पीशीज) जगतों (किंगडम) का वर्गीकरण वर्गीकरण के प्रकार प्रस्तावना जगत 2 जगत वर्गीकरण कार्ल लीनियस प्लांटी और एनिमेलिआ 3 जगत वर्गीकरण एर्न्स्ट हेकेल प्लांटी, प्रोटिस्टा और एनिमेलिआ 4 जगत वर्गीकरण कोपलैंड मोनेरा, प्रोटिस्टा, प्लांटी और एनिमेलिआ 5 जगत वर्गीकरण रोबर्ट व्हिटेकर मोनेरा, प्रोटिस्टा, फंजाई, प्लांटी और एनिमेलिआ 6 जगत वर्गीकरण कार्ल वोस आर्किबैक्टीरिया, युर्बैक्टीरिया,…

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Classification of Living Organisms Notes | SSC CGL, CHSL | IB | Railways

Classification of Living Organisms Notes | SSC CGL, CHSL | IB | Railways

Table of Contents Table: Kingdom Division Approaches Table: 5 Kingdom Classification Table: 5 Division of Plantae Table: 5 Phylum of Animalia Table: 5 Classes of Vertebrata Hierarchy of Biological Classification Kingdom > Phylum (for Animals) / Division (for Plants) > Class > Order > Family > Genus > Species Classification of Kingdoms Type of Classification Proposed By Kingdoms Two Kingdom Classification Carolus Linnaeus Plantae and Animalia Three Kingdom Classification Ernst Haeckel Plantae, Protista and Animalia Four Kingdom Classification Copeland Monera,…

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Human Nervous System Notes for SSC CGL, CHSL and Railways

Human Nervous System Notes for SSC CGL, CHSL and Railways

1. Nervous System (Central, Peripheral, Autonomic) The functioning of the nervous system depends on detecting a stimulus in the internal or external environment and responding to it. Neuron (Sensory, Motor, Association/Connecting): basic unit of nervous system. After birth there is no cell division of nerves in humans. The biological death of a patient means the death of the tissues of the Brain. The aquatic animal with the most developed intelligence is Shark. Table of Contents CNS Brain Spinal Cord PNS…

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Units & Measurement (GA Physics) Notes for SSC CGL, CHSL & Railways

Units & Measurement (GA Physics) Notes for SSC CGL, CHSL & Railways

Table of Contents Physical Quantity SI Units SI Base Units SI Derived Units Other Units Practical Units Measuring Devices Physical Quantity A physical quantity is a physical property of a phenomenon, body, or substance, that can be quantified by measurement. A physical quantity can be expressed as the combination of a magnitude (expressed by a number – usually a real number) and a unit. Unit of measurement A unit of measurement is a definite magnitude of a quantity, defined and…

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