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.
