From Facts in Motion.
Sharks have the reputation of being cold-blooded killers that will attack and try to eat just about anything. But in reality, they are actually a lot pickier than many people realize – Attacks on humans are very very rare. But even the "cold-blooded" portion isn’t even true – at least not when it comes to Great Whites. Because they are in fact part of a small group of sharks that can elevate their body temperatures above the water temperature – effectively becoming warm-blooded. Here’s how they do it.
Sources:
http://www.sharksavers.org/en/education/biology/endothermy/
https://www.researchgate.net/publication/226319337_Regulation_of_body_temperature_in_the_white_shark_Carcharodon_carcharias
http://www.elasmo-research.org/education/white_shark/rete.htm
http://jeb.biologists.org/content/205/15/2251
https://seaworld.org/animal-info/animal-infobooks/sharks-and-rays/anatomy-and-physiology
http://minerva.union.edu/linthicw/concurrent.htm
https://fishionary.fisheries.org/tag/endothermic/
Music by Jay Man
Tracks used:
http://ourmusicbox.com/ms_song/Murder-Mystery
http://ourmusicbox.com/ms_song/Forgotten-Time
http://ourmusicbox.com/ms_song/Time-With-You
http://ourmusicbox.com/ms_song/Storm-Chaser
http://ourmusicbox.com/ms_song/dance-with-danger
http://ourmusicbox.com/ms_song/Swing-Kids
http://ourmusicbox.com/ms_song/Past-Reflections
http://ourmusicbox.com/ms_song/Quirky_moonlight
http://ourmusicbox.com/ms_song/Watching-over-you
http://ourmusicbox.com/ms_song/Up-to-no-good-again
http://ourmusicbox.com/ms_song/Prankster
http://ourmusicbox.com/ms_song/Goodbye-good-riddance
Thanks for watching.
