A picture of the backbone.

Backbone

A picture of the backbone.

A picture of the backbone.

Backbone

A picture of the backbone.

Human skeleton of a finger.

Finger

Human skeleton of a finger.

A human skeleton.

Skeleton

A human skeleton.

Picture of the skull, showing the hole which the backbone connects to the base of the skull.

Skull

Picture of the skull, showing the hole which the backbone connects to the base of the skull.

This letter W is enclosed in a box with a background design of a human skeleton.

Letter W

This letter W is enclosed in a box with a background design of a human skeleton.