What structural similarities do you observe between the lymph node and the spleen?

It is a series of lymphatic vessels, lymphatic tissue, lymph nodes and other organs tonsils, thymus, spleen. It transports tissue fluid to the blood vessels and protects the body by removing foreign material such as bacteria. the lymphatic system's primary function provide us with immunity against foreign cells and other invaders.

The diaphragm is what i think ur talking about