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    relative à: shark body parts
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  1. Il y a 1 jour · Having coronary arteries means a shark's heart receives oxygenated blood directly from the gills. In humans, the blockage of coronary arteries can cause heart attacks, which starve the heart of blood and oxygen, killing the heart muscle. Some sharks, however, have adapted to survive in places with little oxygen.

  2. Il y a 1 jour · Humans and other mammals have a four-chambered heart – two upper chambers, called atria, and two lower chambers, or ventricles – that push blood from the heart to our lungs to get oxygen, then back to the heart, then out to the body. Sharks, like other fish, have what is usually described as a two-chambered heart – one atrium and one ...

  3. en.wikipedia.org › wiki › MegalodonMegalodon - Wikipedia

    Il y a 1 jour · A 2015 study linking shark size and typical swimming speed estimated that megalodon would have typically swum at 18 kilometers per hour (11 mph)–assuming that its body mass was typically 48 t (53 short tons; 47 long tons)–which is consistent with other aquatic creatures of its size, such as the fin whale (Balaenoptera physalus) which typically cruises at speeds of 14.5 to 21.5 km/h (9.0 to ...

  4. Il y a 6 jours · The metabolism of a shark species which can live for 500 years could help scientists treat heart disease and increase people’s lifespan, scientists hope.

  5. Il y a 2 jours · The 2024 Shark Attack Map provides details and data on shark attacks worldwide. The indicated location for each shark attack is as accurate as possible, although it may not precisely pinpoint the exact spot due to unfamiliar landmarks.

  6. Il y a 2 jours · Track Sharks. Want to live track sharks including great whites? Below are a few sites where you can actually live track sharks and see where they travel. A variety of sharks have been tagged including tiger sharks and makos, but the most popular appear to be great white sharks.

  7. Il y a 4 jours · Explore the skeletal system with our interactive 3D anatomy models. Learn about the bones, joints, and skeletal anatomy of the human body.

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    relative à: shark body parts