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Biology, 05.02.2020 21:44 furryartist554

Which of the following is an example of the skeletal system interacting directly with the
respiratory system?

a the ribcage expands to allow air to enter the lungs.
b the muscles attached to bones contract to lift your leg.
c the marrow inside bones produces white blood cells.
d the vertebrae protect the spinal cord from injury,

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Which of the following is an example of the skeletal system interacting directly with the
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