Biology (B5a)

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  • Created by: denileigh
  • Created on: 27-10-15 16:57
B5a) What is an advantage of an internal skeleton?
provides an internal framework for the body / it grows with the rest of the body / it is felxible, due to the many joints / it allows easy attachments of muscles
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B5a) Why are long bones stronger, lighter and solid?
becuase long bones are hollow
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B5a) What is ossification?
the deposition of calcium and phosphorus
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B5a) What happens in the process of ossification?
the cartilage is slowly replaced by bone. If some cartilage remains between head and shaft, the bone and person is still growing
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B5a) Bones in elderly people can lack calcium and phosphorus. What could this result in?
osteoporosis, making them prone to fractures
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B5a) What do synovial joints, such as ball and socket, contain?
synovial fluid, a synovial membrane, ligaments and cartilage
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B5a) What is the function of the synovial fluid?
it acts as a cushion against shock and a lubricant for easy movement
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B5a) What does the synovial membrane do?
it holds in the synovial fluid
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B5a) What does a cartilage do?
protects the bone head
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B5a) What do the ligaments do?
they hold the bones in place
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Other cards in this set

Card 2

Front

B5a) Why are long bones stronger, lighter and solid?

Back

becuase long bones are hollow

Card 3

Front

B5a) What is ossification?

Back

Preview of the front of card 3

Card 4

Front

B5a) What happens in the process of ossification?

Back

Preview of the front of card 4

Card 5

Front

B5a) Bones in elderly people can lack calcium and phosphorus. What could this result in?

Back

Preview of the front of card 5
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