Which is a purpose of the skull? O It protects the spinal cord
It supports the shoulder bones
It allows air, water, and food to enter the body.
O It assists in breathing and protects the ribs,

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above