THE SKELETAL SYSTEM

There are 206---------------in the adult human body.

The skeletal system is very important for many reasons. Some bones help--------------------our organs.

These bones plus the connecting tissue make up the-------------system.

The-------------------for example, protects our brains and the---------------------protects our lungs

The skeletal system also gives us our-------------------

Without a skeleton we would be shapeless blobs like a----------------------

Our bones, which are connect by--------------------provide a frame for the rest of our organs, giving us our unique body shape.

The skelet6a system also helps us------------------.

Muscles, which are attached to the bones by---------------cause the muscles to move which makes our bodies move.

Bones also help our body store-------------------such as calcium. If there is too much calcium in the blood, some of it becomes bone or adds to stronger bones. If there is not enough calcium, the the bones give some to the blood.

Tags

NGSS.MS-LS1-3