Carotid artery disease is caused by a buildup of plaques in arteries that deliver blood to your brain. Plaques are clumps of cholesterol, calcium, fibrous tissue and other cellular debris that gather at microscopic injury sites within the artery. This process is called atherosclerosis.
Great white sharks may not be the world's biggest sharks, since that title goes to the whale shark, but they are the planet's largest known predatory fish. Whale sharks and great whites couldn't be more different in temperament.
Tiger shark Facts. Tiger shark is one of the largest species of sharks on the planet. This animal can be found in the warm, tropical and subtropical waters all over the world. Largest population of tiger sharks lives in Melanesia, Micronesia and Polynesia.Tiger sharks normally spends majority of their time in the deep water.iger sharks are the second most dangerous species of sharks for humans. Unlike great white sharks (which are the most dangerous), tiger sharks will often eat victim after attack. Luckily, encounters between tiger sharks and humans are rare.