Upper level: b_s BODY FUNCTIONS AND STRUCTURES
Body structures are anatomical parts of the body such as organs, limbs and their components. Impairments are problems in body function or structure as a significant deviation or loss.
Lower livel:
s4 Structures of the cardiovascular, immunological and respiratory
s5 Structures related to the digestive, metabolic and endocrine systems
s6 Structures related to the genitourinary and reproductive systems