skeletal system,bones and joints

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  • Created by: cat
  • Created on: 06-05-14 12:07
what are the functions of the bone and skeletal system?
1)support 2)protection 3)assistance in movement 4) mineral homeostasis 5)blood cell production 6)triglyceride storage
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3 factors affecting bone growth?
1) vitamin's 2)minerals 3)hormones
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what does vitamin A do?
stimulates osteoblast activity
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what does vitamin c do?
required for collagen synthesis
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what does vitamin D do?
required for the absorption of calcium from foods
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what does vitamin K and B12 do?
needed for bone protein synthesis
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what is the function of osteoclasts?
releasing ca ions
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what is the function of osteoblasts?
absorbing ca ions
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what are the 5 types of bone?
1) long 2)short 3)flat 4)irregular 5) sesamoid
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how many bones is the skull composed of?
22 bones
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what are the mucus membrane lined cavities in skull bones called?
paranasal sinuses
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what is the only other movable bone other than the ear ossicles in the skull?
the mandible
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what is the name given to the immovable joints that hold the skull bones together?
sutures
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how many vertebrae are there?
26
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there are 5 vertebral regions what are they?
1) seven cervical vertebrae in the neck 2) twelve thoracic vertebrae 3)five lumbar vertebrae in the lower back region 4) one sacrum and 5) one coccyx
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what is scoliosis
a lateral bending of the vertebral column
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what is kyphosis?
an exaggerated curve of the thoracic curve
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what is lordosis
an exaggeration of the lumbar curve
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what are the different types of joints?
planar,hinge,pivot,condyloid,saddle,ball and socket
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Card 2

Front

3 factors affecting bone growth?

Back

1) vitamin's 2)minerals 3)hormones

Card 3

Front

what does vitamin A do?

Back

Preview of the front of card 3

Card 4

Front

what does vitamin c do?

Back

Preview of the front of card 4

Card 5

Front

what does vitamin D do?

Back

Preview of the front of card 5
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