The International Classification of Functioning, Disability and Health (ICF), produced by the World Health Organization, distinguishes between body functions (physiological or psychological, such as vision) and body structures (anatomical parts, such as the eye and related structures).
A International Classification of Functioning, Disability and Health (ICF), da Organización Mundial da Saúde, distingue entre funcións corporais (fisiolóxicas ou psicolóxicas, como a visión) e estruturas corporais (partes anatómicas, como o ollo).