Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
The Human Body
Immune System and Trivia
| Term | Definition |
|---|---|
| Major Functions of Immune System | Body's defense against disease causing organisms (pathogens). and it destroys dead/damaged cells from the body. |
| Major Organs of Immune System | White Blood Cells, Spleen, and Thymus gland. |
| Thymus | located between your lungs and behind your sternum where T-lymphocytes are made. Active in young people but becomes less active in adults |
| White Blood Cells | Defends the body against pathogens. |
| Antibodies | Chemicals that identify or destroy pathogens. |
| Pathogens | organisms that cause disease or make you sick such as bacteria or viruses. |
| antibiotic | a chemical that kills bacteria or slow their growth without harming body cells. |
| Body's First Line of Defense | consists of barriers that keep pathogens from getting into the body. |
| skin | defends the entire body until a cut occurs |
| Mucus, cilia, sneezing or coughing | defends the respiratory system. |
| saliva | defends the digestive system |
| Body's Second Line of Defense | Inflammatory Response |
| Inflammatory Response | occurs fluid and certain types of white blood cells leak from the blood vessels into nearby tissue so that white blood cells can attack the pathogens |
| Phagocyte | white blood cells that engulfs pathogens and destroys them by breaking them down. |
| Body's third Line of Defense | Immune system targets specific pathogens with Bcells and Tcells. |
| B-Cells | White Blood Counts produce antibodies that destroy proteins |
| T-Cells | White Blood Counts identify pathogens and distinguish one kind from another. |
| Active Immunity | antibodies acquired by having the disease (chicken pox), getting a vaccine (polio) |
| vaccine | a shot consists of pathogens that have been weakened or killed but can still trigger immune system into action |
| Passive Immunity | The antibodies come from a source other than the person's body. Example from mother to unborn child |
| 206 | Number of bones in the body. |
| True | Muscles work in pairs. |
| Average Heartbeat | 72 beats/minute and 1.3 gallons per minute. |
| renal | from the kidney |
| Complete digestion | 20-30 hours |
Created by:
200371966
Popular Science sets