Attn outside of the context of a letter is simply slang for the word attention.. The abbreviation is often used in non-professional internet communications or works of literature that purposefully subvert traditional grammar.
As a result, lymphatic fluid may accumulate in the skin, producing swelling that can be uncomfortable or, in some cases, debilitating. The main function of the lymph nodes is filtering the lymphatic fluid, thus trapping viruses, bacteria and other foreign materials that could be found in lymph fluids.
1 One of the functions that the lymphatic system performs is to return excess fluid to the blood. 2  clear. 3  interstitial. 4  red-colored. 5  thoracic. 6  Lymph nodes are widely distributed throughout the body along the lymphatic pathways where they filter the before it is returned to the ________. One of the functions that the lymphatic system performs is to return excess fluid to the blood. 2  clear. 3  interstitial. 4  red-colored. 5  thoracic. 6  Lymph nodes are widely distributed throughout the body along the lymphatic pathways where they filter the before it is returned to the 7  ________. lymph, blood.