Which of the following determines the site of the vertebra that bisects the vertebral
column numerically?

• It precedes the vertebra which is connected with the second pair of floating ribs.
  
• It follows the vertebra which is connected with the second pair of floating ribs.
  
• It precedes the vertebra which is connected with the first pair of floating ribs.
  
• It follows the vertebra which is connected with the first pair of floating ribs.
  

The movement of oxygen in the cytoplasm is......?
A) Positional movement
B) Total movement
C) continuous movement
D) Transitional movement

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