The human skeletal system
Chapter 1
The living architecture of bone
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Chapter 2
The axial skeleton protecting the core
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Chapter 3
The appendicular skeleton designed for movement
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Chapter 4
The lifetime journey of bones
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Chapter 5
What bones leave behind
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YOUR GOAL
Master of The human skeletal system
Ch 3 · The appendicular skeleton designed for movement
Fun Fact
Ear bone size: The stapes bone inside your middle ear is smaller than a single grain of rice, yet it is essential for your hearing.
Glossary
appendicular skeleton (noun)
The portion of the vertebrate skeleton that comprises the limbs and their supporting girdles. In humans, this 126-bone division includes the clavicle, scapula, and all limb bones.
The portion of the vertebrate skeleton that comprises the limbs and their supporting girdles. In humans, this 126-bone division includes the clavicle, scapula, and all limb bones.
Quiz
What bowl-shaped skeletal structure anchors the human legs and transfers upper body weight?
Quiz
Which bone in the human body is the longest and strongest, resisting up to 1,800 kilograms of force?
Quiz
What is the common name for the patella, which protects the front of the knee joint?