The document discusses students with physical or health disabilities. It defines disability and describes the nature and prevalence of disabilities worldwide. Over a billion people live with some form of disability. Physical disabilities can affect mobility, coordination, and other abilities. Diagnostic procedures to identify disabilities include ultrasounds, CT scans, EEGs, and others. Students with disabilities may require adjustments to instructional environments, materials, and technologies to support their needs. Teachers should address each student's specific needs and develop life and social skills.