According to an article in the journal Science, the opah is a rarity: A warm-blooded fish that can swim fast by flapping its fins like water wings as it speeds through the water. The movement speeds the opah's metabolism and heats its blood, leading to better reaction times, according to researchers.
A. Rhinitis is an inflammation of the tissues inside the nose. It causes sneezing, runny nose and stuffy nose. It is often accompanied by conjunctivitis (itchy, watery eyes). Most often it is caused by an allergy or an infection.
Causes. The lining of your nose contains many tiny blood vessels that lie close to the surface and are easily damaged. The two most common causes of nosebleeds are: 1  Dry air â when your nasal membranes dry out, they're more susceptible to bleeding and infections.2  Nose picking.auses. The lining of your nose contains many tiny blood vessels that lie close to the surface and are easily damaged. The two most common causes of nosebleeds are: 1  Dry air â when your nasal membranes dry out, they're more susceptible to bleeding and infections. 2  Nose picking.