Sound Production
Air sacs just below the blowhole allow whales to produce sounds for communication and (for those species capable of it) echolocation. These air sacs are filled with air, which is then released again to produce sound in a similar fashion to releasing air from a balloon.
Read more about this topic: Blowhole (anatomy)
Famous quotes containing the words sound and/or production:
“my gentle-hearted Charles, to whom
No sound is dissonant which tells of Life.”
—Samuel Taylor Coleridge (1772–1834)
“To expect to increase prices and then to maintain them at a higher level by means of a plan which must of necessity increase production while decreasing consumption is to fly in the face of an economic law as well established as any law of nature.”
—Calvin Coolidge (1872–1933)