The most abundant element on Earth is oxygen, but the most abundant element in the entire universe is hydrogen. On Earth, oxygen makes up approximately 47 percent of the Earth's mass and is found both in Earth's atmosphere and crust. Continue Reading.
The definition of flexible is someone or something that bends easily, is easily persuaded or can be changed easily. 1  An example of flexible is a yoga expert. 2  An example of flexible is a work schedule that allows work to be done at any time during the day.
Flexibility is the amount of movement available at a joint. For example, the amount of movement available at the hip joint is determined by how far the leg can be moved in each of the permitted motions (e.g. flexion-raising the leg up in front).The term flexibility means the same as mobility or suppleness.actors affecting flexibility. 1  Type of joint:The shoulder-a ball and socket joint, is more flexible (or mobile) than the knee-a hinged joint, for example. 2  Muscle tissue elasticity: Injured, poorly conditioned, tight muscles are less flexible.