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.
These molecules combine with oxygen at the respiratory membrane, where oxygen concentrations are relatively high and easily release the oxygen in deeper tissues, which are low in oxygen. 1  Filaments of a salmon's gills. In fish, water is pumped across gills to enable gas exchange. Gills are respiratory organs that absorb oxygen from water as it flows over the gill surface. Variety in the Animal Kingdom