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.
The Digestive System of the Hard Clam. The Hard Clam is a filter feeder. This mean that they eat algae, dust, and other particles that help filter the water. Without them the algae would grow so much that we wont even see the water. Although hard Clams are very small, they have an amazing digestive system. They really don't have to do much only open their mouths. 1. First the algae or food enters the incurrent siphon not the excurrent siphon because the excurrent siphon is the opening for waste products.