In myths, rosemary has a reputation for improving memory and has been used as a symbol for remembrance during war commemorations and funerals in Europe and Australia.Mourners would throw it into graves as a symbol of remembrance for the dead.n myths, rosemary has a reputation for improving memory and has been used as a symbol for remembrance during war commemorations and funerals in Europe and Australia.
Up close: Gills. The clam gills play an interesting role in the clam's survival. The gills have two functions in two separate systems of the clam. For the digestive system, the gills aide in digestion through separating silt from the nutrition and aids in the respiratory system through providing oxygen to the clam.
Gills. The purpose of a fish's gills are to enable it to obtain oxygen from the water. A fish's gills contain special membranes that absorb oxygen and also release carbon dioxide. Basically a fish's gills has the same function as a person's lungs-the gills are where gas exchange occurs. Water has oxygen dissolved in it, which the fish needs to survive. The fish takes water in through its mouth and this water passes over the gills. The gills contain lots of blood vessels.