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.
The whale shark is the largest fish in the world and can be more than 40 feet long. They are found in warm seas throughout the world. They are a docile species that feeds on plankton and other tiny sea creatures.escription. Whale sharks have streamlined bodies, flattened heads, large gills and a wide mouth near the front of the snout. Their skin ranges between gray and brown and features white spots and pale stripes in checkerboard-like pattern.