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===Meaning===
An '''organ system''' is a group of [[Organ|organs]] which work together to complete a vital function for the [[organism]].
===About Organ Systems===
: Organ systems work together to keep an organism alive.
: Organ systems are specialised for certain roles.
Organ Systems you should know:
*Human [[Digestive System]]
*Human [[Circulatory System]]
*Human [[Breathing System]]
*Human [[Nervous System]]
*Human [[Muscular System]]
*Human [[Skeletal System]]
===Examples===
{| class="wikitable"
|+ Organ systems in humans.
|-
|[[File:DigestiveSystem.png|center|200px]]
|[[File:CirculatorySystem.png|center|200px]]
|[[File:BreathingSystem.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |The [[Digestive System]] [[Absorb (biology)|absorbs]] [[nutrient]]s from food.
| style="height:20px; width:200px; text-align:center;" |The [[Circulatory System]] transports [[nutrient]]s, [[oxygen]] and [[waste]] around the body.
| style="height:20px; width:200px; text-align:center;" |The [[Breathing System]] [[Absorb (biology)|absorbs]] [[Oxygen]] and removes [[Carbon Dioxide]] from the [[blood]].
|-
|[[File:NervousSystem.png|center|200px]]
|[[File:HumanMuscles.png|center|200px]]
|[[File:HumanSkeleton.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |The [[Nervous System]] controls the body and sends signals to and from the brain.
| style="height:20px; width:200px; text-align:center;" |The [[Muscular System]] allows the body to move.
| style="height:20px; width:200px; text-align:center;" |The [[Skeletal System]] supports and protects the body and produces [[Blood Cell|blood cells]].
|}