Skeletal System - Michigan › documents › explorelab...Skeletal System The skeletal system is the...
Transcript of Skeletal System - Michigan › documents › explorelab...Skeletal System The skeletal system is the...
Sources:https://en.wikipedia.org/wiki/Human_skeleton
SkeletalSystemTheskeletalsystemistheinternalframeworkofthebodymadeupofourbones.
Thehumanskeletonisresponsible
forsupport,movement,andprotectionofthehumanbody,aswellasproductionofbloodcells,storageofminerals,andendocrineregulation.
Theskeletalsystemsupportallowsus tomaintainourshape.Withoutthe ribcage,ourlungswouldcollapse.
Movementoftheskeletonis dependentuponjoints(wheretwo bonesmeet).Movementispowered byskeletalmusclewhichconnectto varioussitesonthebones.
Theskeletalsystemisalsovery importantintheprotectionofthe majororgans,suchastheskull protectsourbrainandthevertebrae protectsourspinalcord.
Thedevelopmentofbloodcellsalso occursintheskeletalsystem.It primarilyoccursinthebonemarrow oflongbonessuchasthefemurand thetibia.
FUNFACT:Whenababyisborntheyhavearound300bonesintheirbody.Astheyagesomeoftheirbonesfusetogetherandafullgrownadulthasonlyabout206bones.