Severe Headache and Your Quality of Life. Although a long headache may be tiring and frustrating, itâs likely not fatal, says Dr. Goadsby. âHaving an attack thatâs longer than a day doesnât necessarily mean anything dreadful,â he says. But a headache that persists can take a real toll on your quality of life. For example, migraineurs know that when their headache begins they may lose a day of productive work or family life.
B - The conchae are bones stuck to the sides of the nasal cavity. While there is kind of a spiral to them (think surfing in a wave that hasn't collapsed yet or go here http://en.wikipedia.org/wiki/File:Gray85... C - The sense of smell comes from the upper nasal cavity and is not dependant on the conchae. D - is the correct answer!!! That wave like structure causes air to spin and get stuck in the nasal cavity for a little bit longer so that it can be moisturized and the mucus has a bit more time to trap any thing that is in the incoming air.
concha. a shell-shaped structure. concha of auricle the hollow of the auricle of the external ear, bounded anteriorly by the tragus and posteriorly by the antihelix. inferior nasal concha a bone forming the lower part of the lateral wall of the nasal cavity.middle nasal concha the lower of two bony plates projecting from the inner wall of the ethmoidal labyrinth and separating the superior from the middle meatus of the nose.ne of the three scroll-like bones that project medially from the lateral wall of the nasal cavity; a turbinate bone. The superior and middle conchae are processes of the lateral mass of the ethmoid bone; the inferior concha is a facial bone. Each overlies a meatus.