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==Respiratory System== |
==Respiratory System== |
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''Main article: [[Respiratory System'' |
''Main article: [[Respiratory System]]'' |
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==Nervous System== |
==Nervous System== |
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Revision as of 00:16, 11 September 2008
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The human body is the entire physical structure of a human organism. The human body consists of a head, neck, torso, two arms and two legs.
The average height of an adult male human is about 1.8 m (6 feet) tall and the adult female about 1.6 to 1.7 m (5 to 5.5 feet) tall. This size is firstly determined by diet and secondly by genes. Body type and body composition are influenced by postnatal factors such as diet and exercise.
By the time the human reaches adult-hood, the body consists of close to 100 trillion cells. Each is part of an organ system designed to perform essential life functions. The body's organ systems include: the circulatory system, immune system, respiratory system, digestive system, excretory system, urinary system, musculoskeletal system, nervous system, tegumentary system, the Lymphatic Systemendocrine system and the male and / or female reproductive system.
The body includes a large amount of organs. These are: The Brain, lungs, heart, liver, spleen, stomach, kidneys, gallbladder, bladder, pancreas, large intestine(colon), small intsetine (ileum),the male and female genitals, appendix and the skin.
The human body consists of tissues and cells. Combination of individual atoms, molecules, polypeptides, cells in human body, is a source of emergence.
Begin at the Beginning
Cells-Tissues-Organs-Organ systems
Musculoskeletal System
Main article: Musculoskeletal system Or, see Muscular System and Skeletal System
Cardiovascular System
Main article: Cardiovascular System
Digestive System
Main article: Digestive System
Endocrine system
Main article: Endocrine system
Integumentary System
Main article: Integumentary System
Urinary System
Main article: Urinary System
Lymphatic System
Main article: Lymphatic System
Immune System
Main article: Immune System
Respiratory System
Main article: Respiratory System
Nervous System
Main article: Nervous System
Reproductive System
Main article: Reproductive System
Seguay into Evolution?
Evolution of the Human Body
Main article: Human evolution
Interesting Facts (to be incorporated)
An adult skeleton consists of 200 distinct bones: The spine and vertebral column (26) Cranium (8) Face (14) Hyoid bone, sternum and ribss (26) Upper extremities (64) lower extremities (62)
averages
Additional images
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Human body features -
Human body features of female -
Human body features of male
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See also
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