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→Animal Skeletons
===About Skeletons===
: The skeleton is made up of all the bones in an animal.
: [[Muscle|Muscles ]] are attached to the bones in the skeleton that allows us to move.
: The rib cage is part of the skeleton and this protects the heart and lungs.
: The skull is part of the skeleton and this protects our brain.
{| class="wikitable"
|-
|[[File:ElephantSkeleton.png|center|200px300px]]|[[File:FishSkeleton.png|center|200px300px]]
|-
| style="height:20px; width:200px300px; text-align:center;" |An elephant's '''skeleton''' showing the [[Bone|bones]] and [[Tusk|tusks]]. Notice the trunk has no [[Bone|bones]] inside it.| style="height:20px; width:200px300px; text-align:center;" |A fish has a [[Backbone]] as part of its '''skeleton'''.
|-
|[[File:CrabSkeleton.png|center|200px300px]]|[[File:DolphinSkeleton.png|center|200px300px]]
|-
| style="height:20px; width:200px300px; text-align:center;" |A crab has an '''exo-skeleton''' which means its skeleton is on the outside, not the inside of its body.| style="height:20px; width:200px300px; text-align:center;" |A dolphin's '''skeleton'''.
|}
|[[File:OctopusLand.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |An octopus does not have a '''skeleton''' and just uses [[Muscle|muscles]] to move underwater.| style="height:20px; width:200px; text-align:center;" |An octopus cannot move easily on land because it has no '''skeleton''' so to support it.
|-
|[[File:JellyfishWater.png|center|200px]]
|[[File:JellyfishLand.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |A jellyfish is an [[animal]] that has no [[Bone|bones]]. It moves in water with its [[Muscle|muscles]].
| style="height:20px; width:200px; text-align:center;" |When a jellyfish gets washed up on the beach it cannot move because it has no '''skeleton''' to support it.
|}
==Key Stage 3==
===Meaning===The '''skeletal system''' is an [[Organ System|organ system]] in [[Animal|animals]] made of [[Bone|bones]] that work together to help the [[animal]] move , protect the vital [[Organ|organs]] and make [[Blood Cell|blood cells]]. ===About the Skeletal System===: The '''skeletal system''' is made of bones and [[ligament]]s.: The [[ligament]]s in the '''skeletal system''' hold the [[bone]]s together.: The [[bone]]s in the '''skeletal system''' make [[Blood Cell|blood cells]] inside the [[Bone Marrow|bone marrow]].There are some [[bone]]s you should know the common names for:{| class="wikitable"|-|[[File:SkeletalSystemDiagramKS3.png|center|600px]]|-| style="height:20px; width:600px; text-align:center;" |Some common names for [[bone]]s in the '''skeletal system'''.|} ==Key Stage 4=====Meaning===The '''skeletal system''' is an [[Organ System|organ system]] in [[Animal|animals]] made of [[Bone|bones]] that work together to help the [[animal]] move, protect the vital [[Organ|organs]]and make [[Blood Cell|blood cells]]. ===About the Skeletal System===: The '''skeletal system''' is made of bones and [[ligament]]s.: The [[ligament]]s in the '''skeletal system''' hold the [[bone]]s together.: The [[bone]]s in the '''skeletal system''' make [[Blood Cell|blood cells]] inside the [[Bone Marrow|bone marrow]].There are some [[bone]]s you should know the common names for:{| class="wikitable"|-|[[File:SkeletalSystemDiagramKS4.png|center|600px]]|-| style="height:20px; width:600px; text-align:center;" |Some common names for [[bone]]s in the '''skeletal system'''.|}