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.
Molluscs generally possess gills that allow exchange of oxygen from an aqueous environment into the circulatory system. These animals also possess a heart that pumps blood which contains hemocyaninine as its oxygen-capturing molecule.