The tiniest living part of the human body.

the bones that are located down the center, or axis, of a vertebrate's body

bones that are attached to and hang from the main part of a skeleton

a powerful, invisible ray of light that can pass through objects to show the inside, such as the inside of a human body

a group or layer of cells that work together a a part or organ in your body

another name for a skull that protects the brain

smaller body parts that are attached to the main body

a mineral that your bones are made of

a part of your body made of cells and tissues that performs a specific job

the backbone or series of vertebrae

the long bone found in the thigh or the thigh bone

made with milk

to move around in a loop or circle

another name for the breastbone that helps protect the heart and lungs

the area where 2 bones come together

spongy inside of a bone

the actions or activities that something was designed to do

leg bones

short and tough bands of flexible tissue that connect two bones or pieces of cartilage and hold together joints

a hard covering that holds a broken bone in place while it heals