to: navigation‚ search This article is about the human body as a whole. For components within the human body‚ see human anatomy. [[File:|thumb|300px|Human body features displayed on bodies on which body hair and male facial hair has been removed]] The human body is the entire structure of a human organism‚ and consists of a head‚ neck‚ torso‚ two arms and two legs. By the time the human reaches adulthood‚ the body consists of close to 100 trillion cells‚[1] the basic unit of life.[2] These
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1. Thermoreceptors perceive the impact of heat on the part of human body and send signals through neurons to brain that causes the feeling of pain. If the signals fail to pass from thermoreceptors to brain‚ the risk of burning the part of the body arises. The pain is the indicator of the danger to human body and the ultimate manifestation of pain is a pain shock‚ which may be deadly for human body. 2. Olfaction is responsible for smell sense. Gustation is responsible for taste. They involve chemical
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This system gives the body form and support‚ and protects the body while allowing it to move. Basically‚ the muscles in this system perform three important body functions: the movement of body parts‚ maintenance of body parts‚ and production of body heat. These muscles all consist of a mass of protein fibers grouped together‚ and most are of mesodermal origin. And almost all of the muscle fibers you will ever have or need were present at birth. Nearly half of your body mass is muscles‚ the largest
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Homeostasis in the Human Body Homeostasis is the maintenance of a stable internal environment within tolerance limits‚ this is the restricted range of conditions where cellular operations effectively work at a consistent rate and maintain life. These conditions include temperature‚ blood glucose levels‚ pupil diameter control and many more. The body is made up of many cells. Many specialized cells group up to form a tissue. Tissues group up to form organs‚ these organs can then connect to form
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Human Body Systems Human Body Organization The Human Body is composed of Organ Systems are composed of Organs are composed of Tissues are composed of Cells DIGESTIVE SYSTEM is a body system made up of digestive tract and glands responsible for digestion of food. Functions of Digestive System: Digestion of food. Breaking down of chunks of food into bits. Absorption of food nutrients. Excretion of undigested food. PARTS OF DIGESTIVE SYSTEM. Digestive Glands Salivary Gland –
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Pigs live on a farm. Sadly‚ humans eat pigs for ham‚ pork and bacon. Bacon is good for the heart. Hearts are inside the human body. Without a heart‚ a human could not live. Without humans‚ our world would be over come with animals. Animals are important for the human world. Animals prove food‚ so humans can grow and become strong. Humans can exercise to strengthen their muscles. Muscles are very important for the human body. They are also very complex item in the body but are very important. Another
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Function of the Skin The skin is more than just external covering. It acts as a sensitive boundary between our bodies and the environment. The skin has several important functions‚ for example: Protection‚ temperature regulations‚ waste removal and sense of touch. Protection • The skin acts as a protective organ. The film of sebum and sweat on the surface of the skin (acid mantle). It acts as an anti-bacterial agent to help prevent the multiplication of micro-organisms on the skin. • The fat
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Chapter 1 : Organization of the Human Body Anatomy · Study of the structure and shape of the body and its parts Physiology · Study of how the body and its parts work or function Anatomy: Levels of Study · Gross/Macroscopic Anatomy · Large structures · Easily observable · Regional anatomy · all the structure (muscles‚ bones‚ blood vessels‚ nerves‚ etc.) in the particular region of the body‚ such as the abdomen or leg‚ are examined. · Systemic anatomy
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Introduction to the Human Body Matching: Directions of the body Medial: Toward the midline of the body; opposite of lateral. Proximal: A structure is nearer to the trunk than is another part; opposite of distal. Distal: The part of the radius (arm bone) that is closer to the wrist than the elbow. Superior: The lung is above the diaphragm; above is described as… Anterior: Toward the front (the belly surface); another word is ventral. Matching: regional Terms Axillary: Armpit. Patellar: Kneecap
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Organisation of the human body. Jade Roberts. Barbara. P1‚ P2 AND P3. Health and Social Care level 3. 1 In this booklet I will be explaining what the main components and functions are of the cells. I will also be outlining the structure of the main tissues in the body and the gross structure of all the body systems. 2 The components and functions of cells. Cell membrane All organisms have something in common‚ they all have a cell membrane. The cell membrane is a barrier that separates a cell
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