mathematics, of the 34 cases where states reported changes in their assessments (9 states in reading and 8 states in mathematics), the rigor of the standards increased in 21 cases, 8 showed no change in their standards, and in 5 cases the rigor of their standards (as measured by NAEP scale equivalents) decreased.
Skeletal muscles cover your skeleton, giving your body its shape. They are attached to your skeleton by strong, springy tendons or are directly connected to rough patches of bone. Skeletal muscles are under voluntary control, which means you consciously control what they do.
Skeletal Muscles. The voluntary or skeletal muscle system consists of more than 650 muscles, which produce body movement and help maintain an upright posture.Voluntary muscles are The voluntary or skeletal muscle system consists of more than 650 muscles, which produce body movement and help maintain an upright posture.bdominal muscles protect the internal organs. Arm and leg muscles, among the most powerful in the body, produce limb movements. Acting like cables, muscles pull on bones to produce movement. This involves the contraction and shortening of individual muscle fibers.