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  2. Average human height by country - Wikipedia

    en.wikipedia.org/wiki/Average_human_height_by...

    Below are two tables which report the average adult human height by country or geographical region. With regard to the first table , original studies and sources should be consulted for details on methodology and the exact populations measured, surveyed, or considered.

  3. Human head - Wikipedia

    en.wikipedia.org/wiki/Human_head

    The brain is enclosed within the skull. There are 22 bones in the human head. The head rests on the neck, and the seven cervical vertebrae support it. The human head typically weighs between 2.3 and 5 kilograms (5.1 and 11.0 lb) Over 98% of humans fit into this range. There have been odd incidences where human beings have abnormally small or ...

  4. Great Pyramid of Giza - Wikipedia

    en.wikipedia.org/wiki/Great_Pyramid_of_Giza

    Before the removal of the casing in the Middle Ages, the pyramid was entered through a hole in the 19th layer of masonry, approximately 17 metres (56 ft) above the pyramid's base level. The height of that layer – 96 centimetres (3.15 ft) – corresponds to the size of the entrance tunnel that is commonly called the Descending Passage.

  5. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    Fontanini produces 5 inch nativity scene figures at this scale. 1:14: 0.8571428 in: 21.77 mm Tamiya Tamiya 56301 RC 1:14 King Hauler, RC Tractor Trucks 1:14 Scale. 1:13.71: 22.225 mm Model railway scratchbuilders' scale at 7 ⁄ 8 inches to a foot, commonly used with 45 mm gauge track to represent 2 ft gauge prototypes. 1:13: 59 ⁄ 64 in: 23.44 mm

  6. Human vaginal size - Wikipedia

    en.wikipedia.org/wiki/Human_vaginal_size

    Mean width: at the proximal vagina: 3.3 cm (1.3 in); at the pelvic diaphragm: 2.7 cm (1.1 in); at the introitus: 2.6 cm (1.0 in) A 2006 U.S. study of vagina sizes using Magnetic Resonance Imaging (MRI) on 28 volunteers between 18 and 39 years old, with heights ranging from 1.5 to 1.7 metres (4 ft 11 in to 5 ft 7 in), and weights between 49.9 ...

  7. 110 metres hurdles - Wikipedia

    en.wikipedia.org/wiki/110_metres_hurdles

    Colin Jackson 12.91 (1993) The 110 metres hurdles, or 110-metre hurdles, is a hurdling track and field event for men. It is included in the athletics programme at the Summer Olympic Games. The female counterpart is the 100 metres hurdles. As part of a racing event, ten hurdles of 42 inches (106.7 cm) in height are evenly spaced along a straight ...

  8. List of tallest structures - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_structures

    The tallest structure in the world is the Burj Khalifa skyscraper at 828 m (2,717 ft). Listed are guyed masts (such as telecommunication masts), self-supporting towers (such as the CN Tower), skyscrapers (such as the Willis Tower), oil platforms, electricity transmission towers, and bridge support towers. This list is organized by absolute height.

  9. Eiffel Tower - Wikipedia

    en.wikipedia.org/wiki/Eiffel_Tower

    A television antenna was first installed on the tower in 1957, increasing its height by 18.7 m (61 ft). Work carried out in 2000 added a further 5.3 m (17 ft), giving the current height of 324 m (1,063 ft). [65] Analogue television signals from the Eiffel Tower ceased on 8 March 2011.