âº Coughing Up White or Gray Phlegm. White or gray phlegm can indicate upper respiratory tract infection or sinus congestion. Other significant causes of white mucus are: It is important to note that having milk or dairy products does not lead to production of white phlegm.
Wanamaker's responded by assembling its own staff of organ builders and expanding the organ several times over a period of years. The organ still stands in place in the store today, and is the largest operational pipe organ in the world, with some 28,000 pipes.
Vestigial structures are often referred to as vestigial organs, though not all of them are actually organs. Although the structures most commonly referred to as vestigial tend to be largely or entirely functionless, a vestigial structure need not necessarily be without use or function for the organism.