Based on current consumption, it is estimated that you-and every other person in the United States-will use more than a million pounds of rocks, minerals and metals during your lifetime including: 1  800 pounds of lead-Primarily used in the construction of batteries.
The erector spinae group of muscles on each side of the vertebral column is a large muscle mass that extends from the sacrum to the skull. These muscles are primarily responsible for extending the vertebral column to maintain erect posture.he muscles of the trunk include those that move the vertebral column, the muscles that form the thoracic and abdominal walls, and those that cover the pelvic outlet.
The vertebral column is made up of 33 bones, called vertebrae, which are stacked in a slightly curved formation from the base of the skull through the entire length of the back.he vertebral column is made up of 33 bones, called vertebrae, which are stacked in a slightly curved formation from the base of the skull through the entire length of the back.