Chondrichthyes | Biology - Quizizz
Shedd Aquarium - Blacktip reef shark - These sharks are obligate ram ventilators, which means that they have to swim to breathe! Blacktips are pretty easy to identify—their dorsal fin looks like
Will Sharks Drown If They Stop Swimming? - Shark Keeper
SHARK GILLS | sharks4kidsnew
Some Sharks Have to Swim to Survive, But Most Don't – Poseidon's Web
Shark - Wikipedia
Body types in sharks (after Thomson and Simanek, 1977). | Download Scientific Diagram
Ram ventilation - YouTube
Do Sharks Sleep? | Britannica
Do Sharks Move When They Sleep? - Shark Keeper
How Fish Breathe: Ram Ventilation, Buccal Pumping – Poseidon's Web
How do Sharks Breathe? - Facty
Body types in sharks (after Thomson and Simanek, 1977). | Download Scientific Diagram
Mechanisms of gill ventilation. - Biology Forums Gallery
Solved Like tuna, many sharks are obligate ram ventilators | Chegg.com
NOVA Online | Island of the Sharks | Exploding Myths (2)
How do Sharks Breathe? - Facty
NOVA Online | Island of the Sharks | Exploding Myths (2)
A list of sharks that are obligate ram ventilators :: Sacha Chua
Special transport: shark
How do sharks breathe?
Can a Shark Drown if They Stop Swimming?
What is the shark's weakness? - Quora
Leo Chan Gaskins on Twitter: "Lemon Sharks (Negaprion brevirostris) are very adaptive! Sharks have two ways to breathe - either obligate ram ventilation (must swim to breathe to get water past gills)
10 Facts That Will Change How You View Sharks - Listverse
Grey Reef Shark - Carcharhinus amblyrhynchos
