| A | B |
| lymphatic system | System that watches over your body nd fights for you is an enemy invades your body |
| immunity | ability of the body to prevent viral or bacterial infections within the body. |
| pathogens | harmful agents that invade the body producing an infectious disease |
| systemic infection | When an infection spreads throughout the body |
| bacteria | One celled organisms that are found everywhere. |
| mutation | A change in the DNA which may affect the cell. |
| acute | a short lived disease |
| chronic | a long lasting disease |
| malignant | a life threatening disease |
| benign | a non life threatening problem in the body |
| contagious | disease which can be spread from one person to another |
| staph | A bacterial infection caused by Staphylococcus bacteria |
| infectious diseases | Diseases caused by vacteria, fungi, worms and viruses |
| lymph nodes | a place in the lymphatic system where body fluid is monitored for infectious agents. |
| lymph vessels | the vessels of the lymph system which directs the flow of lymph through the body and back into the blood stream. |
| lymph | the watery fluid that washes out of and around cells and into the lymph vessels. |
| lymphocytes | specialized white blood cells that are on the lookout for foreign body invaders. |
| T-cells | Lymphocytes where are trained to spot and attack invading foreign enemies. |
| innate | In the body all the time...you are born with it. |
| complement system | innate immunity by proteins made in the liver which remain inactive unless otherwise activated. |
| inflammation | the swelling of tissues |
| B lymphocytes | cells trained in the bone marrow to guard the body. |
| T lymphocytes | cells trained in the thymus to guard the body. |
| adaptive immunity | Cells which are taught to remember previous infections and defend the body if they are encountered again. |
| antibodies | Proteins on the outside of immune cells designed to recognize previous invaders |
| antigens | proteins found on the outside of invading agents that lets the body know they are invaders. |
| killer T cells | Special cells designed to kill an identified invader. |
| allergy | When the body fights a perceived invader that isn't dangerous to the body. |
| auto immune | When the body forms antibodies against its own body. |
| passive immunity | Immunity due to antibodies from a vaccine or from mother's milk passed onto the person. |
| acquired immunity | immunity due to an infection within the body. |
| active artificial immunity | Immunity from vaccines. |
| antibiotic | a medicine that helps the body to fight off infection. |