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Gill slit

en.wikipedia.org/wiki/Gill_slit

Gill slits are individual openings to gills, i.e., multiple gill arches, which lack a single outer cover. Such gills are characteristic of cartilaginous fish such as sharks, ...

Shark Gills - EnchantedLearning.com

www.enchantedlearning.com/subjects/sharks/anatomy/Gills.shtml

Shark gills. Sharks have 5-7 pairs of gill slits located on the sides of their heads. They breathe through these gill slits.

Human limbs may have evolved from shark gills | New York Post

nypost.com/2016/04/19/human-limbs-may-have-evolved-from-shark-gills/

Apr 19, 2016 ... Human limbs may have originated from shark gills, according to a study published Tuesday that backs up a once-discredited, 138-year-old ...

Must Sharks Keep Swimming to Stay Alive | Sharks - Live Science

www.livescience.com/34777-sharks-keep-swimming-or-die.html

May 28, 2013 ... Actually, this tale isn't true for all shark species. Like other fish, sharks "breathe" through their gills, which are respiratory organs akin to our ...

Sonic hedgehog gene provides evidence that our limbs may have ...

www.cam.ac.uk/research/news/sonic-hedgehog-gene-provides-evidence-that-our-limbs-may-have-evolved-from-sharks-gills

Apr 19, 2016 ... Latest analysis shows that human limbs share a genetic programme with the gills of cartilaginous fishes such as sharks and skates, providing ...

New Evidence Suggests That Limbs and Fins Evolved From Fish Gills

gizmodo.com/new-evidence-suggests-that-human-limbs-evolved-from-sha-1771427923

Apr 19, 2016 ... Skates are “cartilaginous fish,” along with sharks and rays, which means their gills are protected by skin flaps. Those flaps in turn are held up by ...

Respiration - Sharkproject

www.sharkproject.org/haiothek/index_e.php?site=anatomie_7

Respiration. Gills and respiration. Just as bony fish, cartilaginous fish use gills to take up oxygen from the water. They are carried by the pharyngeal arches and ...

Did human limbs evolve from shark gills? | Earth | EarthSky

earthsky.org/earth/did-human-limbs-evolve-from-shark-gills

Apr 30, 2016 ... The Sonic Hedgehog gene drives embryonic development of mammal limbs and shark gills. Could our limbs have evolved from gills?

www.ask.com/youtube?q=Shark Gills&v=HUaAODPbU_Y
May 5, 2015 ... Does the hose shoved in the mouth really give you piece of mind that the shark is being cared for? Think again.
www.ask.com/youtube?q=Shark Gills&v=8bRIuf6EtsA
Jun 13, 2014 ... In this fun new Shark Academy, Jonathan Bird explains the ... into their mouth and then pass it directly by their gills and out of their bodies.
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The Shark Trust - Gills

www.sharktrust.org

The majority of sharks have five gills, although one species of sawshark (the Sixgill Sawshark) has six and species belonging to the order Hexanchiformes ( Cow ...

Sharks - Respiration

www.sharksinfo.com

Sharks - Respiration. Sharks are fish and, like other species of fish, use gills to breathe rather than lungs. There are usually between five and seven gill arches,  ...

Did human limbs evolve from shark gills? - CNET

www.cnet.com

Apr 20, 2016 ... There's a weird genetic link between human limbs and the gills of cartilaginous sea beasts. How are the two related?