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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 .
Spatial orientation (the inverse being spatial disorientation, aka spatial-D) is the ability to maintain body orientation and posture in relation to the surrounding environment (physical space) at rest and during motion. Humans have evolved to maintain spatial orientation on the ground.
[1] [2] The positions of the limbs (and the arms in particular) have important implications for directional terms in those appendages. The penis in the anatomical position is described in its erect position and therefore lies against the abdomen, hence the dorsal surface of the penis is actually anterior when the penis is flaccid.
English: Within the human body there are 3 types of levers. The first class lever which can be seen, is located in the head. The second class lever is located within the leg. Finally, the third class lever is located in the arm.
The 1664 edition is accompanied by a short text, The Description of the Human Body and All Its Functions (La description du corps humain et de toutes ses fonctions), also known as the Treatise on the Formation of the Foetus (Traité de la formation du fœtus), the remarks of Louis La Forge and the translated preface from the Latin edition by ...
Suggested questions include humans' relations with time, nature and each other, as well as basic human motives and the nature of human nature. Florence Kluckhohn and Fred Strodtbeck suggested alternate answers to all five, developed culture-specific measures of each, and described the value orientation profiles of five southwestern United ...
In human anatomy, the anatomical planes are defined in reference to a body in the standard anatomical position, the upright or standing orientation. [1]A transverse plane (also known as axial or horizontal plane) is parallel to the ground; it separates the superior from the inferior, or the head from the feet.
Human physical appearance is the outward phenotype or look of human beings. Image of a European female (left) and an East Asian male (right) human body seen from front (upper) and back (lower). Adult human bodies photographed whose naturally-occurring pubic, body, facial, but not head hair have been deliberately removed to show anatomy.