I've been made redundant <a href=" http://www.boerderijpret.nl/spermaceti-organ-wiki.pdf ">the spermaceti organ in the head of sperm whales is thought to regulate buoyancy and</a> Human beings are terrestrial creatures. The case can be made, as it is in the book "Your Inner Fish," that we are all cousins at some remove to our maritime predecessors, but our current incarnation has left the briny deep entirely behind. Having fully adapted to life up here, we are only fish out of water when tossed back beneath the waves.