The main systems of the human body are:
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.
Keeps the body’s temperature in a safe range.
Digestive system and Excretory system:
System to absorb nutrients and remove waste via the gastrointestinal tract, including the mouth, esophagus, stomach and intestines.
Eliminates waste from the body.
Influences the function of the body using hormones.
Integumentary system / Exocrine system:
Skin, hair, nails, sweat and other exocrine glands
Immune system and lymphatic system:
Defends the body against pathogens that may harm the body.
The system comprising a network of lymphatic vessels that carry a clear fluid called lymph.
Enables the body to move using muscles.
Collects and processes information from the senses via nerves and the brain and tells the muscles to contract to cause physical actions.
Renal system and Urinary system
The system where the kidneys filter blood to produce urine, and get rid of waste.
The reproductive organs required for the production of offspring.
Brings air into and out of the lungs to absorb oxygen and remove carbon dioxide.
Bones maintain the structure of the body and its organs.