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The human body is the entire structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organs and then organ systems. The external human body consists of a head, hair, neck, torso (which includes the thorax and abdomen), genitals, arms, hands, legs, and feet.
- List of systems of the human body - Wikipedia
This is a list of the main organ systems in the human body....
- List of organs of the human body - Wikipedia
This article contains a list of organs in the human body. It...
- Human body weight - Wikipedia
Human body weight
- Composition of the human body - Wikipedia
About 99% of the mass of the human body is made up of six...
- Human body - Simple English Wikipedia, the free encyclopedia
The human body is the body of a person. It is the physical...
- List of systems of the human body - Wikipedia
Learn about the main organ systems in the human body, such as circulatory, digestive, endocrine, immune, muscular, nervous, reproductive, respiratory, skeletal and urinary. See also related lists of human anatomical features and cell types.
Learn about the human body, its parts, functions, and how it compares to other animals. Find out how different fields of study look at the human body, such as biology, anatomy, psychology, and religion.
This article contains a list of organs in the human body. It is widely believed that there are 79 organs (this number goes up if you count each bone and muscle as an organ on their own, which is becoming a more common practice [1][2]); however, there is no universal standard definition of what constitutes an organ, and some tissue groups ...
SystemSubsystemBody PartsOrgansMusculoskeletalMusculoskeletalMusculoskeletalMusculoskeletalMusclesAug 17, 2024 · Learn about the structure, function, and composition of the human body, the physical substance of the human organism. Explore the tissues, organs, systems, and biochemical constituents of the body, as well as its development and evolution.
- The Editors of Encyclopaedia Britannica
- Chemically, the human body consists mainly of water and organic compounds—i.e., lipids, proteins, carbohydrates, and nucleic acids. The human body...
- The four main types of tissue in the human body are epithelial, muscle, nerve, and connective.
- The nine major organ systems in the human body are the integumentary system, the musculoskeletal system, the respiratory system, the circulatory sy...
Human body weight
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About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium , sulfur , sodium , chlorine , and magnesium .
