The skeletal system

The skeletal system

I can identify and describe the major bones of the skeletal system.

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The skeletal system

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The skeletal system has many important functions, from protecting your major organs to allowing your body to move. This lesson will teach students about the major bones of the skeletal system, including the skull, ribcage, pelvis, and femur. Students learn how the skeletal system functions and about the structure of bones, from the periosteum to the bone marrow inside.



Learning Objective

Students will be able to describe the functions of the skeletal system and identify the major bones.


The lesson begins with a fun fact about bones and asks students to guess which has more bones in the neck, a human or a giraffe? Then introduce students to the skeletal system and its five main functions: to support, protect, store, allow your body to move, and make blood.


Students learn about each of the five main functions. First, explain that the body would not have a proper structure without the bones inside of it. Bones also protect the body’s organs and bones, along with your tendons, allow your body to move. Next, explain that the skeletal system makes blood and stores important minerals. Check to see if students can remember these five major functions and have them use the eraser tool to erase the bones on the interactive whiteboard to check their responses. Show students the inside of a bone and explain each part: the periosteum, compact bone, bone marrow, and cancellous bone. Then explain how the skeleton changes. For example, you have many more bones as a baby than you do as an adult. Students then drag to label the parts of the bone. Describe the major bones of the skeleton and have students identify their joints. Give students the opportunity to find and feel the bones in their bodies.


Students respond to ten questions consisting of true or false, multiple-choice, and fill-ins.


To conclude, have students think of some ways they can protect their bones like exercising, wearing protective gear, and have calcium. Finally, they will draw a line to match the bone to its description.

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