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.
Whale Shark â Rhincodon typus. The whale shark is a giant of the oceans: the dimensions of its body gives it the title of the largest fish in the world and therefore, also the biggest shark. It is the only member of the genus Rhincodon. It belongs to the order Orectolobiformes and the family Rhincodontidae.