â¢ SECRETION (noun). The noun SECRETION has 2 senses: 1. the organic process of synthesizing and releasing some substance. 2. a functionally specialized substance (especially one that is not a waste) released from a gland or cell. Familiarity information: SECRETION used as a noun is rare.Dictionary entry details.eaning: A functionally specialized substance (especially one that is not a waste) released from a gland or cell. Classified under: Nouns denoting body parts. Hypernyms (secretion is a kind of...): bodily fluid; body fluid; humor; humour; liquid body substance (the liquid parts of the body).
Confidence votes 30. It depends on the type of shark, most sharks like living in warm or tropical waters,such as Hawaii and Australia.Some sharks though can live in colder waters,such as the Greenland shark and the Great White shark.The Great White Shark has even been seen in the cold waters of Sanfransisco.
But they do have extra large livers, which provide some buoyancy and help keep them sinking to the ocean floor. But fresh water changes how much buoyancy the shark's liver can provide. The researchers found that when sharks swim in fresh water, they are two to three times less buoyant than when they swim in salt water. In order to keep afloat the same way they do in salt water, sharks would need livers eight times as largeâunrealistic for an organ thatâs already the largest in a sharkâs body.