Moving and Growing
The Human Skeleton
Humans (and some other animals) have bony skeletons inside their bodies which grow.
Without our bones, we couldn't stand, walk, run, or even sit.
How many bones does the human body contain?
An adult skeleton contains 206 bones and the skeleton of an infant contains 350. As a child grows, bones fuse (join) together to make longer bones.
What is the longest bone?
The longest bone in our bodies is the femur (thigh bone).
What and where is the smallest bone?
The smallest bone is the stirrup bone inside the ear.
How many bones in a hand?
There are 27 bones in the human hand. The carpus or wrist has account for 8; the metacarpus or palm contains 5; the remaining 14 are digital bones; fingers and thumb.
What do the bones do?
Our bones provide support for our bodies and help form our shape.
They protect our organs against injury and enable us to move.
Some bones protect parts of the body, as the skull protects the brain, whilst others work together to make body parts move, such as the arm and leg bones.
Bones manufacture blood cells and store important minerals.
Bones are connected to other bones at joints.
There are many diffrent kinds of joints including:
Other X-ray images of the human skeleton
Can you label the bones of a human Skeleton?
Joints Explorer from the Royal Institution's Inside Out website.
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