skeletal system Flashcards

adaptations and components

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1
Q

what is the axial skeleton?

A

the bones that make up the head and trunk of the body

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2
Q

what is the appendicular skeleton?

A

it consists of limbs that support the trunk (appendage bones)

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3
Q

give 3 examples of the axial skeleton

A

skull
mandible
rib cage

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4
Q

give 5 examples of the appendicular skeleton

A

femur
ulna
tarsals/carpals
radius
tibia
humerus
metacarpals/metatarsals

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5
Q

what are animal bones made of?

A

bone and bone marrow

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6
Q

how are bird bones adapted to be lightweight?

A

they have air pockets reinforced with a honeycomb structure

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