The Lymphatic System 

^^Functions of the lymphatic system^^

The lymphatic system is the second essential transportation system of the body; its following functions include:

  • Removes worn out RBCs
  • Removes iron from hemoglobin for reuse by the bone marrow
  • Creates RBCs prior to birth
  • Produces lymphocytes and antibodies to help the body fight infection
  • Acts a filter for foreign bodies
  • Serves as a reservoir for blood that can be added to the cardiovascular system if needed.
  • Has a role in immune response

^^Major disease and disorders^^

  • Acquired immunodeficiency syndrome (AIDS)- Is caused by a virus and results in failure of the body’s immune system.
  • Systemic lupus erythematosus- an autoimmune disease that affects the connective tissue
  • Hashimoto's disease- disease that destroys the thyroid gland
  • Rheumatoid arthritis- disease that causes inflammation of the lining of the joints.
  • Lymphoma- cancer of the lymph nodes.
  • Splenomegaly- an abnormally large spleen which can be caused by many
  • Tonsillitis- an infection of the tonsils caused by the large number of microorganisms they are filtering through their lymph tissues

^^Preventative measures^^

  • Practice good nutrition
  • Avoid being overweight
  • Get adequate exercise
  • Check blood pressure regularly
  • Treat cuts in the skin promptly to prevent infection
  • Do not smoke
  • Do not cross the legs for long periods
  • Develop coping skills for handling stress
  • Practice safe sex habits

^^Age-related changes^^

Decreased: inflammatory response effectiveness of vaccines

Increased: susceptibility to viral and bacterial infections