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  2. Rectilinear locomotion - Wikipedia

    en.wikipedia.org/wiki/Rectilinear_locomotion

    Rectilinear locomotion relies upon two opposing muscles, the costocutaneous inferior and superior, which are present on every rib and connect the ribs to the skin. [5] [6] Although it was originally believed that the ribs moved in a "walking" pattern during rectilinear movement, studies have shown that the ribs themselves do not move, only the muscles and the skin move to produce forward ...

  3. Role of skin in locomotion - Wikipedia

    en.wikipedia.org/wiki/Role_of_Skin_in_Locomotion

    Eels, snakes, and fish use their skin like an external tendon to generate the propulsive forces need for undulatory locomotion. Vertebrates that fly, glide, and parachute also have a characteristic fiber arrangements of their flight membranes that allows for the skin to maintain its structural integrity during the stress and strain experienced ...

  4. Ropewalk - Wikipedia

    en.wikipedia.org/wiki/Ropewalk

    Before steam power was introduced in 1836, it took over 200 men to form and close a cable laid rope of 20 inches (51 cm) circumference. [2] The rope walk is used to form and close the rope, these being the final stages in rope making. Before this the raw hemp, manila hemp or sisal has to be hatchelled, spun into yarn, and tarred.

  5. Undulatory locomotion - Wikipedia

    en.wikipedia.org/wiki/Undulatory_locomotion

    Snakes primarily rely on undulatory locomotion to move through a wide range of environments. Undulatory locomotion is the type of motion characterized by wave-like movement patterns that act to propel an animal forward. Examples of this type of gait include crawling in snakes, or swimming in the lamprey. Although this is typically the type of ...

  6. Snake - Wikipedia

    en.wikipedia.org/wiki/Snake

    Just before shedding, the skin becomes grey and the snake's eyes turn silvery. The inner surface of the old skin liquefies, causing it to separate from the new skin beneath it. After a few days, the eyes clear and the snake reaches out of its old skin, which splits. The snake rubs its body against rough surfaces to aid in the shedding of its ...

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  8. Hemp - Wikipedia

    en.wikipedia.org/wiki/Hemp

    In July 1605, Samuel Champlain reported the use of grass and hemp clothing by the (Wampanoag) people of Cape Cod and the (Nauset) people of Plymouth Bay told him they harvested hemp in their region where it grew wild to a height of 4 to 5 ft. [153] In May 1607, "hempe" was among the crops Gabriel Archer observed being cultivated by the natives ...

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