Allow the clams enough time to open their shells-this will be indicated by a burst of steam and popped-open shells, anywhere from 2â3 minutes to 5-10 minutes, depending on the type of clams. If some don't open in this time, discard them as they probably were already dead.
Spleen, lymph nodes, adenoids, tonsils are the encapsulated secondary lymphoid organs. Mucosa associated lymphoid tissue distributed throughout the body such as alimentary canal, respiratory and urinogenital tracts etc. are the diffused secondary lymphoid regions.
The lymphatic system organs are the spleen, the thymus, lymph nodes & lymph vessels, tonsils, and peer's patches. Any organ that is not one of these is an organ not in the lym â¦ phatic system, like the stomach, or gallbladder, or lungs. 9 people found this useful.