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3.2.2
| Term | Definition |
|---|---|
| Platelets | to prevent and stop bleeding |
| Red blood cells | carry oxygen from the lungs and deliver it throughout our body |
| White blood cells | help the body fight infection and other diseases |
| Pathogens | cause illness to their hosts |
| Antigens | causes your immune system to produce antibodies against it |
| B-cells | produce antibodies, antigen presenting cells, and contributing to inflammatory pathways directly |
| Antibodies | recognizes foreign substances like bacteria and viruses, and neutralizes them |
| Innate Immunity | the first line of defense against invading pathogens |
| Acquired Immunity | strengthens the immune system by teaching it to recognize and fight off germs |
| Active immunity | defense mechanism that helps the body get rid of infective pathogens |
| Passive immunity | the transfer of antibodies from one individual to another |
| Phagocytes | surround and kill microorganisms, ingest foreign material, and remove dead cells |
| Autoimmune Disease | weakening bodily function and even turning life-threatening |
| Innate | prevent infection and attack the invading pathogens |
| Neutrophil | boost the response of other immune cells |
| Dendritic | regulate the adaptive immune response |
| Helper T | help activate cytotoxic T cells to kill infected target cells |
| Macrophage | defense against pathogens and tissue homeostasis and repair |
| Cytotoxic T | kill certain cells, including cancer cells, foreign cells, and cells infected with a virus |
| Memory B | help the body respond to new antigens and remember the antigens |
| Plasma B | producing antibodies (Abs). |
| B Lymphocytes | create a type of protein called an antibody |
| T Lymphocytes | help protect the body from infection and may help fight cancer |