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  When comparing the whole skull of a human being with a whole skull of a
  chimpanzee one would expect that: The
  foramen magnum to be central at the
  base of the skull in humans and not
  central at the base of the skull in
  chimpanzees.


This was a multiple choice answer to a question. What is this thing?
I haven't read anything like it anywhere!

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1 Answer

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Very basically, the foramen magnum is where the spine attaches to the head. In humans this is a lot more central, at the base of the skull, underneath the head. This anatomically provides support for an erect posture and upright head that is facing forward and is very vertical. The neck muscles do not need to be as big to support the head if the foramen magnum is in this position.


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