Anatomy & Physiology: Chapter 21 & 22 Lymphatic System and Immune System

How do you build immunity? - You must have been exposed How does lymph move into lymphatic capillaries? - Increase in hydrostatic pressure within the interstitial space as additional fluid is filtered from the blood capillaries How many lymph nodes do we have? - Hundreds How much fluid usually escapes the lymphatic system? - 3 liters If you move when you have an infection, what will happen? - Moving will speed up the return of fluid to the heart, moving large amounts of contaminated fluid, putting a strain of the body's defense primary lymphatic structures - red bone marrow; thymus right lymphatic duct drains what? - right upper limb, right upper quadrant of trunk, right side of head and neck thoracic lymphatic duct drains what? - everything the right lymphatic duct does not What are allografts? - From the same species What are autografts? - Self grafts from one area to another (Grant Hill) What are autoimmune disease? - Too much immune system, the body attacks its own tissues What are B-cells? - Makes antibodies in response to a foreign protein called an antigen What are Helper T-cells? - Alerts other cells that an attack needs to occue What are hypersenitivities? - Allergies What are isografts? - From an identical twim What are Killer T-cells?