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
Immune System
Immune System Review
| Term | Definition |
|---|---|
| immune system functions (2) | 1) Prevent pathogens from entering the human body 2) If a pathogens enters, defend against it |
| skin | Acts like a barrier (not allowing germs to enter) and contains chemicals like sweat and oil (part of the first line of defense) |
| breathing passages | Lined with mucus and cilia which help trap pathogens that are inhaled (part of the first line of defense) |
| mouth and stomach | Contain destructive chemicals to help kill pathogens in the food we eat (part of the first line of defense) |
| inflammatory response | When fluid and white blood cells leak from blood vessels into nearby tissue, causing the area to become red and swollen (second line of defense) |
| T-cells | white blood cells that recognize pathogens based on their antigens |
| B-cells | white blood cells that produce antibodies to help mark and destroy pathogens |
| antigens | molecules on the outside of a pathogen that allow the human body to recognize and identify it |
| antibodies | proteins that bind to the antigen on the outside of a pathogen to mark it for destruction |
| phagocytes | white blood cells that engulf pathogens and destroy them by breaking them down |
Created by:
jlodico
Popular Biology sets