List of systems of the human body

This is a list of the main organ systems in the human body.

Circulatory system/cardiovascular systemEdit

Circulates blood around the body via the heart, arteries and veins, delivering oxygen and nutrients to organs and cells and carrying their waste products away, as well as keeping the body's temperature in a safe range.

Digestive system/excretory systemEdit

System to absorb nutrients and remove waste via the gastrointestinal tract, including the mouth, oesophagus, stomach and intestines.

Endocrine systemEdit

Influences the function of the body using hormones.

Integumentary system/exocrine systemEdit

System that comprises skin, hair, nails, and sweat and other exocrine glands.

Immune system/lymphatic systemEdit

Defends the body against pathogens that may harm the body. The system contains a network of lymphatic vessels that carry a clear fluid called lymph.

Muscular systemEdit

Enables the body to move using muscles.

Nervous systemEdit

Collects and processes information from the senses via nerves and the brain and tells the muscles to contract to cause physical actions.

Renal system/urinary systemEdit

The system where the kidneys filter blood to produce urine, and get rid of waste.

Reproductive systemEdit

The reproductive organs required for the production of offspring.

Respiratory systemEdit

Brings air into and out of the lungs to absorb oxygen and remove carbon dioxide.

Skeletal systemEdit

Bones maintain the structure of the body and its organs.


See alsoEdit