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## Basics of Physics

DISTANCE It is the total length travelled by a body in its course of journey. Characteristics of distance are: It is a scalar quantity. In CGS system, its unit cm (centimeter). In MKS system, its unit is m (meter). DISPLACEMENT The shortest distance between the initial and the final states …

## Physics and it’s Quantities

INTRODUCTION TO PHYSICS Physics is a branch of science that deals with the matter and energy. Matter is a substance that has mass and occupies space. It exists in 3 physical states: Solid– They have definite volume and shape. Liquid– They have definite volume but they lack in having …

## What is the SKIN

SKIN Skin is the largest sensory organ in our body. It is described as: There are 3 layers of skin: Epidermis– a thin, cellular membrane layer. Corium or Dermis– dense, fibrous, connective tissue proper. Subcutaneous tissue– thick, fat-connecting tissue.   EPIDERMIS The epidermis is the outermost, total cellular layer of …

## What is Breadth First Search (BFS)

Breadth First Search is an algorithm for traversing elements from a data structure or searching tree.  Visiting each vertex and edge exactly in a well defined order is done in Graph travelers. Traversal of an element in graphically is well defined in searching algorithms. The first traversal in BFS accomplished …

## Work and Kinetic Energy

WORK DONE BY A CONSTANT FORCE The work done by a constant force acting on an object is equal to the product of the magnitudes of the displacement and the component of the force parallel to that displacement. W= Fd In condition a, there is a force but no displacement, …

## What is the Motion of a Body

MOTION When a body changes its position continuously with respect to a stationery object, which is taken as a reference point. It can be depicted by this graph: Motion includes both distance and displacement. Distance is a scalar quantity because it has magnitude only. Displacement is a vector quantity because …

## What is Vertebral Column and Structure of Vertebra

VERTEBRAL COLUMN The vertebral column consists of 26 bone segments called vertebrae that are arranged in five divisions from the base of the skull to the tail bone. The first seven bones of the vertebral column from the neck bone are the cervical (C1-C7) vertebrae. These vertebrae do not articulate …

## What is Oral Cavity

ORAL CAVITY (THE MOUTH) The alimentary canal begins with the oral cavity or the mouth. The major parts of the oral cavity are: Cheeks: They form the walls of the oval-shaped oral cavity. Lips: They surround the opening to the oral cavity. Hard palate: It forms the anterior portion of …