Blue whales have long and streamlined bodies with the head making up a fourth of its body length. The head region is broad and U-shaped. Blue whales do not have teeth. Instead, they have 270 - 395 plates of baleen on either side of their jaw.Baleen look like long thin teeth placed very close to one another.he head region is broad and U-shaped. Blue whales do not have teeth. Instead, they have 270 - 395 plates of baleen on either side of their jaw. Baleen look like long thin teeth placed very close to one another.
Hives frequently occur following an infection or as a result of an allergic reaction such as to medication, insect bites, or food. Psychological stress, cold temperature, or vibration may also be a trigger. In half of cases the cause remains unknown. Risk factors include having conditions such as hay fever or asthma.
Causes of Widespread Hives. 1  Viral Infection. The most common cause of hives all over the body is viral infections. 2  Bacterial Infection. Some bacterial infections can also cause hives. 3  Drug Reaction. An example is a penicillin rash.  Food Reaction. May be an allergy or a 1  coincidence. Bee Sting.