The nervous system of clams often does not include the circulation system. The nervous system does not include the shell or the digestive system either.
Soft shell clams -- called steamers -- are usually used for fried clams.
because we eat clams Type your answer here...
Clams are bivalve molluscs that live buried in sand or silt, many of which are edible.
fishes do have parallel circulation
The Clam is a filter feeder sometimes. Baby clams will eat other baby clams and baby fish.
Warm
Yes, but we refer to them as sea food.
its closed due to the fact tht it is needed to protect against bad bacteria flow
Cardiac Circulation
Shells and all? Sure, you could but, most people are put off by crunchy chowder. If you mean that you plan to substitute fresh clams into a recipe that calls for canned clams, of course you can.
Fish have single-loop circulation.