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Contortionists can easily bend there bodies because after long periods of time streching there muscles lose elastisity.
Skeletal and muscular
The cause of aerodynamic depends on a shape of an object for example a rocket a has a good aerodynamic because it has a smooth finish which helps to reduce the friction. The new cars like ferrari and Verizon has a pointy shape which helps to reduce the friction . The lorries and vans can't go faster because of its shape. In order to have aerodynamic the body should be streamlined.
motion
A women's body structure is such that they have a lower center of gravity, because of their wider hips and heavier bond structure in the lower abdominal part of the skeleton, as compared to men's structure. Men in general have wider shoulders as compared to women. This lower center of gravity is the main cause for women to be able to bend forward in the kneeling position without falling over forward. When men try to bend over, they will fall forward because of the location of their center of gravity. Then this center of gravity passes beyond the knees, their bodies will topple forward.
We would not be able to bend our backs.
Bend means to bend some thing or you are bending your body.
We would not be able to bend and would have a rigid body.
Aluminium is the metal that is used for toy action figures because it is easily malleable.
Hinge joints such as the elbow and knee, ball and socket joints such as the shoulder and hip can bend, and pivot joints such as the wrist and ankle are also able to bend to a lesser degree.
Can you ask the question in a way that makes sense, then we may be able to answer it.
because it keeps your body strong and in shape.
because of there mate and what they do eat
Maybe because you haven't stretched in a while.... Or you have a problem.
no because theres many kinds of shape and size..........
because of what they wear or body shape
the body is able to cope with such changes because it has (H2-O).