Sunday, November 18, 2012

Shark Fact #7

A few of the known shark species will drown if they stop moving. Great white, mako and salmon sharks don't have the muscles they need to pump water through their mouth and over their gills. As long as they keep swimming, water keeps moving over their gills, keeping them alive.





1 comment:

  1. Your blog is so interesting! I like all the facts, clips and images that you posted. Great job using the medium. Good job on the interblogging as well.

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