13. Skeletal Form And Function Flashcards

1
Q

What are the two divisions of the skeleton?

A

Axial (skull, spinal column) and appendicular (limbs, girdle)

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2
Q

How do bones function in mineral storage?

A

Outer layers of bone contain high levels of calcium and phosphorus and other minerals

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3
Q

Describe the two types of bone

A

Compact - homogenous

Spongy - small needle-like, lots of open spaces

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4
Q

What are the three classes of levers?

A

Class 1 - fulcrum between form and resistance - ie nodding head, spine is fulcrum
Class 2 - resistance between fulcrum and force - ie push up, feet are fulcrum, resistance is body weight, force from hands
Class 3 - force between resistance and fulcrum - ie forearm lifting a ball, elbow is fulcrum, force from bicep, resistance in hand

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