• parts of human body (A01.1.00.000)
• cavities (A01.1.00.047)
• regions of human body (A01.2.01.000)
• bones (A02.0.00.000)
• joints (A03.0.00.000)
• muscles (A04.0.00.000)
• alimentary system (A05.0.00.000)
• respiratory system (A06.0.00.000)
• urinary system (A08.0.00.000)
• genital systems (A09.0.00.000)
• endocrine glands (A11.0.00.000)
• cardiovascular system (A12.0.00.000)
• lymphoid system (A13.0.00.000)
• nervous system (A14.0.00.000)
• sense organs (A15.0.00.000)
• the integument (A16.0.00.001)