Chapter 1
The living architecture of bone
Chapter 2
The axial skeleton protecting the core
Chapter 3
The appendicular skeleton designed for movement
Chapter 4
The lifetime journey of bones
Chapter 5
What bones leave behind
YOUR GOAL
Master of The human skeletal system
Ch 2 · The axial skeleton protecting the core
artiteacher The Axial Skeleton
Guard the core, eighty bones! Guard the core, eighty bones, Keeping us safe and standing tall.
artiteacher Twelve pairs of curved bones shield your vital organs while allowing you to breathe.
artiteacher Thirty-three vertebrae form a dynamic, curved column that shields your nervous system.
BETA
artiteacher Match protective bones to vital organs to learn how your skeleton shields your body.
Fun Fact
The floating bone: The hyoid bone in your throat is the only bone in your entire body that is completely disconnected from all other bones.
Glossary
axial skeleton (noun)
The bones constituting the head and trunk of a vertebrate body. In humans, this structure consists of eighty bones that shield the brain, spinal cord, and thoracic organs.
The bones constituting the head and trunk of a vertebrate body. In humans, this structure consists of eighty bones that shield the brain, spinal cord, and thoracic organs.
Quiz
What is the name of the flexible tissue that connects the rib bones to the sternum?
Quiz
Which bone of the human skull is the only one that is capable of independent movement?
Quiz
How many bones make up the adult human skull, excluding the tiny bones of the middle ear?
Quiz
What is the anatomical name of the breastbone located in the center of the chest?
Quiz
What is the name of the rigid, puzzle-like joints that hold the bones of the skull together?
Quiz
What U-shaped bone in the throat is the only human bone that does not touch any other bone?