Most important organ systems
-Skeletal system: stability and movement
-Muscular system: movement
-Circulatory system: transport of blood + oxygen and nutrients
-Respiratory system: uptake of oxygen, release of CO2
-Integumentary system: skin, hair, etc protecting your body from the outside
-Digestive system: taking up nutrients from food
-Nervous system: thinking, controling your body, etc.
-Urinary system: creating urine and excreting urine
-Reproductive system: creating a new generation of offspring