B4 A skeletons

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What are the advantages of an internal skeleton compared with an external one?
.framework for the body. grows with the body. easy attach to muscles. flexibility
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what are the disadvantages of cartilage
its sustainable to infection, but can grow and repair itself
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discribe the structure of a longbone
head with coating of cartilage, shaft containing bone marrow and blood vessles
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what happens to cartilage as we grow
we are bone with cartilage bones, but these ossify and replaced by calcium and phosphorus salts
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why is it bad to move someone with a suspected fracture
because it can make it worse, and could lead to an infection
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what are the different types of fractures
a simple fracture, a greenstick fracture, and a compound fracture
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why are older people more likely to break bones
because they are prone to osteoporosis, where bones are weakened
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what are the four components of synovial joints
synovial fluid, synovial mambrane, cartilage, ligaments
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what are the functions of the four componts of a synovial joint
synovial membrane secretes synovial fluid which lubricates and cushions the bones, cartilage prevents friction, ligaments join bones to each other
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what are the two types of synovial joints
ball and socket, and hinge
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what are the stages to bending your arm
ther biceps contract pulling the radius bone, and the triceps relax
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what are the stages of straightening you arm
the tricepts contract, pulling the ulna bone and the bicpets relax
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Card 2

Front

what are the disadvantages of cartilage

Back

its sustainable to infection, but can grow and repair itself

Card 3

Front

discribe the structure of a longbone

Back

Preview of the front of card 3

Card 4

Front

what happens to cartilage as we grow

Back

Preview of the front of card 4

Card 5

Front

why is it bad to move someone with a suspected fracture

Back

Preview of the front of card 5
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