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  2. Human body - Wikipedia

    en.wikipedia.org/wiki/Human_body

    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.

  3. List of organs of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_organs_of_the...

    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' status as one is debated. [3]

  4. List of systems of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_systems_of_the...

    This is an accepted version of this page This is the latest accepted revision, reviewed on 11 December 2024. List of organ systems in the human body Part of a series of lists about Human anatomy General Features Regions Variations Movements Systems Structures Arteries Bones Eponymous Foramina Glands endocrine exocrine Lymphatic vessels Nerves Organs Systems Veins Muscles Abductors Adductors ...

  5. Organ system - Wikipedia

    en.wikipedia.org/wiki/Organ_system

    An organ system is a biological system consisting of a group of organs that work together to perform one or more functions. [1] Each organ has a specialized role in an organism body, and is made up of distinct tissues .

  6. Why do we have useless body parts? - AOL

    www.aol.com/news/2014-08-14-why-do-we-have...

    Humans have many vestigial body parts that may have been useful for our ancestors but are obsolete for us. Useless body parts explained: Show comments. Advertisement. Advertisement.

  7. Organ (biology) - Wikipedia

    en.wikipedia.org/wiki/Organ_(biology)

    Earlier thinkers, such as those who wrote texts in the Hippocratic corpus, generally did not believe that there were organs of the body but only different parts of the body. [21] Some alchemists (e.g. Paracelsus) adopted the Hermetic Qabalah assignment between the seven vital organs and the seven classical planets as follows: [22]

  8. List of human anatomical regions - Wikipedia

    en.wikipedia.org/wiki/List_of_human_anatomical...

    Older set of terminology shown in Parts of the Human Body: Posterior and Anterior View from the 1933 edition of Sir Henry Morris' Human Anatomy. Many of these terms are medical latin terms that have fallen into disuse. Front: Frons - forehead; Facies - face; Pectus - breast; Latus - flank; Coxa - hip; Genu - knee; Pes - foot; Back: Vertex ...

  9. List of bones of the human skeleton - Wikipedia

    en.wikipedia.org/wiki/List_of_bones_of_the_human...

    It is composed of 270 bones at the time of birth, [2] but later decreases to 206: 80 bones in the axial skeleton and 126 bones in the appendicular skeleton. 172 of 206 bones are part of a pair and the remaining 34 are unpaired. [3] Many small accessory bones, such as sesamoid bones, are not included in this.