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.
1 Clams can control their outer shells and shut them in response to stimuli, via a elastic ligament and two large muscles. 2  In side their usually grey, black shells you can see a white, tan center. 3  Clams have siphons that forces water out and allows them to take in micro organisms. Clams have two shells(Bivalve) that filters their food. 2  Clams can control their outer shells and shut them in response to stimuli, via a elastic ligament and two large muscles. 3  In side their usually grey, black shells you can see a white, tan center.