Turning in at her street, Dominique saw six fire trucks in front of her apartment building. Her heart beat wildly until someone yelled, "Just a false alarm." Her pulse then began to return to normal, due to the action of her nervous system.

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome