A. Fat is necessary for your body to function properly.
Your spinal cord is protected by the vertebral column (also known as the spinal column or backbone). The human spinal column is made up of 33 bones - 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region and 4 in the coccygeal region.
Washing dishes provides a low level of physical exercise.
Potential energy comes from a person’s energy the girl is pushing the bicycle down if the girl is not moving the bike won’t move the bike moves when she pushes
