Vitamin Information Center

Body Function
Synonyms
Physiological function
Definition
The physiological or psychological functions of a body
are defined as body functions. According to theWHO’s
International Classification of Functioning, Disability,
and Health (ICF), body functions are categorized into
different subfunctions. Mental functions, such as the
functions of the brain, can be differentiated into global
mental functions (consciousness, energy, drive) and
specific mental functions (memory, language, calculation).
Sensory functions include functions like seeing,
hearing, tasting, etc., as well as the sensation of pain.
Voice and speech functions produce sounds and speech.
There are functions of the cardiovascular system (heart
and blood vessels), the hematological and immunological
systems (blood production and immunity), and respiratory
systems (respiration and exercise tolerance),
as well as functions of the digestive system (ingestion,
digestion, and elimination), the metabolic system, and
the endocrine system. The genitourinary functions refer
to urination, and the reproductive functions include sexual
and procreative functions. The neuromusculoskeletal
and movement-related functions are responsible for
movement and mobility, and include the functions of
joints, bones, reflexes, and muscles. Finally, there are
the functions of the skin and related structures, like
nails and hair.

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