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Foot Hair
Body hair, or androgenic hair, is the terminal hair that develops on the human body during and after puberty. It is differentiated from the head hair and less visible vellus hair, which is much finer and lighter in color. The growth of androgenic hair is related to the level of androgens (often referred to as male hormones) and the density of androgen receptors in the dermal papillae. Both must reach a threshold for the proliferation of hair follicle cells. From childhood onward, regardless of sex, vellus hair covers almost the entire area of the human body. Exceptions include the lips; the backs of the ears; the palms of hands; the soles of the feet; certain external Sex organ, genital areas; the navel; and scar tissue. The density of hair – i.e. the number of hair follicles per unit area of skin – varies from person to person. In many cases, areas on the human body that contain vellus hair will begin to produce darker and thicker body hair, such as the first growth ...
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Terminal Hair
In humans, terminal hair is thick and long, such as what grows on the scalp, as compared with vellus hair Vellus hair is short, thin, light-colored, and barely noticeable hair Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals. The human body, apart from areas of g ... growing elsewhere.Marks, James G; Miller, Jeffery (2006)''Lookingbill and Marks' Principles of Dermatology''(4th ed.), Elsevier Inc., p. 11. During puberty Puberty is the process of physical changes through which a child Biologically, a child (plural children) is a human Humans (''Homo sapiens'') are the most abundant and widespread species In biology Biology is the natur ..., the increase in androgenic hormone levels causes vellus hair to be replaced with terminal hair in certain parts of the human body.Hiort, O. "Androgens and Puberty". ''Best Practice & Research Clinical Endocrinology & Metabo ...
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Abdominal Hair
Abdominal hair is the hair Hair is a protein filament In biology Biology is the natural science that studies life and living organisms, including their anatomy, physical structure, Biochemistry, chemical processes, Molecular biology, molecular interactions, Ph ... that grows on the abdomen The abdomen (colloquially called the belly, tummy, midriff or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the Trunk (anatomy) ... of humans and non-human mammals Mammals (from Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken in the area around Rome, known as Latium. Through the power of the R ..., in the region between the pubic area and the thorax The thorax or chest is a part of the anatomy Anatomy (Greek ''anatomē'', 'dissection') ...
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Pubic Hair
Pubic hair is terminal body hair Body hair, or androgenic hair, is the terminal hair that develops on the human body The human body is the structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organ syste ... that is found in the genital area of adolescent and adult humans. The hair is located on and around the sex organ A sex organ (or reproductive organ) is any part of an animal or plant that is involved in sexual reproduction. The reproductive organs together constitute the reproductive system. In animals, the testis Testicle or testis (plural testes) is ...s and sometimes at the top of the inside of the thigh In human anatomy The human body is the structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organ systems. They ensure homeostasis In biology Biology is the natu ...s. In the pubic region around t ...
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Bodybuilding
Bodybuilding is the use of progressive resistance exercise to control and develop one's musculature Muscle is a soft tissue of a tendon A tendon or sinew is a tough band of fibrous connective tissue that connects muscle to bone A bone is a Stiffness, rigid tissue (anatomy), tissue that constitutes part of the vertebrate skeleton in ... (muscle building) by muscle hypertrophy Muscle hypertrophy or muscle building involves a hypertrophy or increase in size of skeletal muscle Skeletal muscle (also called striated muscle - although cardiac muscle is also striated) is one of three major muscle types, the others being ca ... for aesthetic purposes. It is distinct from similar activities such as powerlifting Powerlifting is a strength sport that consists of three attempts at maximal weight on three lifts: squat, bench press The bench press is an upper-body weight training Weight training is a common type of strength training for developin ... becau ...
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Bicycling
Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, Physical exercise, exercise or sport. People engaged in cycling are referred to as "cyclists", "bicyclists", or "bikers". Apart from two-wheeled bicycles, "cycling" also includes the riding of unicycles, tricycles, quadricycles, recumbent bicycle, recumbent and similar human-powered transport, human-powered vehicles (HPVs). Bicycles were introduced in the 19th century and now number approximately one billion worldwide. They are the principal means of transportation in many parts of the world. Cycling is widely regarded as an effective and efficient mode of transportation optimal for short to moderate distances. Bicycles provide numerous possible benefits in comparison with motor vehicles, including the sustained physical exercise involved in cycling, easier parking, increased maneuverability, and access to roads, bike paths and rural trails. Cycling also offers a reduced consumption ...
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Track And Field
Track and field is a sport that includes Competition#Sports, athletic contests based on running, jumping, and throwing skills. The name is derived from where the sport takes place, a running track and a grass field for the throwing and some of the jumping events. Track and field is categorized under the umbrella sport of athletics, which also includes road running, cross country running, and racewalking. The foot racing events, which include sprint (running), sprints, middle-distance running, middle- and long-distance running, long-distance events, racewalking, and hurdling, are won by the athlete who completes it in the least time. The jumping and throwing events are won by those who achieve the greatest distance or height. Regular jumping events include long jump, triple jump, high jump, and pole vault, while the most common throwing events are shot put, javelin throw, javelin, discus throw, discus, and hammer throw, hammer. There are also "combined events" or "multi events" ...
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Swimming (sport)
Swimming is an individual or team Racing, racing sport that requires the use of one's entire body to move through water. The sport takes place in Swimming pool, pools or open water (e.g., in a sea or lake). Competitive swimming is one of the most popular Olympic sports, with varied distance events in Butterfly stroke, butterfly, backstroke, breaststroke, Freestyle swimming, freestyle, and individual medley. In addition to these individual events, four swimmers can take part in either a freestyle or medley Relay race, relay. A medley relay consists of four swimmers who will each swim a different stroke, ordered as backstroke, breaststroke, butterfly and freestyle. Swimming each stroke requires a set of specific techniques; in competition, there are distinct regulations concerning the acceptable form for each individual stroke. There are also regulations on what types of swimsuits, caps, jewelry and injury tape that are allowed at competitions. Although it is possible for compet ...
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Leg Shaving
Leg shaving is the practice of removing leg hair by shaving the hair off using a razor or electric shaver. In addition, some people remove leg hair using waxing, sugaring (epilation), sugaring, depilation, depilatories, epilator, epilators or other depilation Tool, devices, or laser hair removal, lasers, but shaving remains the least expensive and one of the least painful methods. It is a very common practice among women in the western world, and is also done by some men, especially bodybuilders, cycle sport, cyclists, swimming (sport), swimmers, and some runners. Women In Western countries, the majority of women engage in leg shaving, doing so largely for aesthetic reasons. This practice has developed especially since the early 20th century, around the time of the First World War, as hemlines on women's dresses have become shorter and women's swimsuits have become more revealing, displaying all of a woman's legs. Some women may only shave the hair below the knee – dep ...
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Toes
Toes are the Digit (anatomy), digits (fingers) of the foot of a tetrapod. Animal species such as cats that walk on their toes are described as being ''digitigrade''. Humans, and other animals that walk on the soles of their feet, are described as being ''plantigrade''; ''unguligrade'' animals are those that walk on hoof, hooves at the tips of their toes. Structure There are normally five toes present on each human foot. Each toe consists of three phalanx bones, the Anatomical terms of location#Proximal and distal, proximal, middle, and distal, with the exception of the big toe ( la, hallux). For a minority of people, the little toe also is missing a middle bone. The hallux only contains two phalanx bones, the proximal and distal. The joints between each phalanx are the Interphalangeal joints of foot, interphalangeal joints. The proximal phalanx bone of each toe articulates with the metatarsal bone of the foot at the Metatarsophalangeal joints, metatarsophalangeal joint. Each ...
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Upper Arm
In human anatomy, the arm is the part of the upper limb between the glenohumeral joint (shoulder joint) and the elbow joint. In common usage, the arm extends through the hand. It can be divided into the upper arm, which extends from the shoulder to the elbow, the forearm which extends from the elbow to the hand, and the hand. Anatomically the shoulder girdle with bones and corresponding muscles is by definition a part of the arm. The Latin term ''brachium'' may refer to either the arm as a whole or to the upper arm on its own. Anatomy Bones The humerus is one of the three long bones of the arm. It joins with the scapula at the glenohumeral joint, shoulder joint and with the other long bones of the arm, the ulna and radius (bone), radius at the elbow, elbow joint. The elbow is a complex hinge joint between the end of the humerus and the ends of the radius and ulna. Muscles The arm is divided by a fascial layer (known as lateral and medial lateral intermuscular septum of arm, int ...
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Hand
A hand is a prehensile A prehensile tail. Prehensility is the quality of an appendage An appendage (or outgrowth) is an external body part, or natural prolongation, that protrudes from an organism In biology, an organism (from Ancient Greek, Greek: ὀργ ..., multi-finger A finger is a limb of the body and a type of digit (anatomy), digit, an organ of wikt:manipulate, manipulation and Wikt:sensation, sensation found in the hands of most of the Tetrapods, so also with humans and other primates. Most land vertebrat ...ed appendage located at the end of the forearm The forearm is the region of the upper limb The upper Limb (anatomy), limbs or upper extremities are the forelimbs of an upright posture, upright-postured tetrapod vertebrate, extending from the scapulae and clavicles down to and including the di ... or forelimb A forelimb or front limb is one of the bilateral symmetry, paired joint, articulated appendages (limb (anatomy), limbs) attached on the c ...
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