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Sources: https://en.wikipedia.org/wiki/Human_skeleton Skeletal System The skeletal system is the internal framework of the body made up of our bones. The human skeleton is responsible for support, movement, and protection of the human body, as well as production of blood cells, storage of minerals, and endocrine regulation. The skeletal system support allows us to maintain our shape. Without the rib cage, our lungs would collapse. Movement of the skeleton is dependent upon joints (where two bones meet). Movement is powered by skeletal muscle which connect to various sites on the bones. The skeletal system is also very important in the protection of the major organs, such as the skull protects our brain and the vertebrae protects our spinal cord. The development of blood cells also occurs in the skeletal system. It primarily occurs in the bone marrow of long bones such as the femur and the tibia. FUN FACT: When a baby is born they have around 300 bones in their body. As they age some of their bones fuse together and a full grown adult has only about 206 bones.

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Page 1: Skeletal System - Michigan › documents › explorelab...Skeletal System The skeletal system is the internal framework of the body made up of our bones. The human skeleton is responsible

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.

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