physical data physical death physical decline physical defect physical defects physical deformities physical degeneration physical degradation physical delivery physical demand physical demands physical dependence physical description physical descriptions physical design physical desire physical desires physical destruction physical details physical deterioration physical development physical device physical devices physical difference physical differences physical difficulties physical dimension physical dimensions physical disabilities physical disability physical discipline physical discomfort physical disease physical diseases physical disk physical disks physical disorders physical distance physical distress physical distribution physical documents physical downlink control channel physical edition physical education physical education and health physical education and sport physical education class physical education classes physical education program physical education teacher physical education teachers physical effect physical effects physical effort physical element physical elements physical embodiment physical endurance physical energy physical entities physical entity physical environment physical environmental physical environments physical equipment physical evaluation physical event physical events physical evidence physical exam physical examination physical examinations physical exams physical exercise physical exercise can physical exercises physical exertion physical exhaustion physical existence physical experience physical experiences physical explanation physical expression physical eyes physical facilities physical factors physical fatigue physical feature physical features physical feeling physical fight physical fights physical file physical files physical findings physical fitness physical fitness test physical flows physical food