Review Questions
- How does your skin protect you from pathogens?
- What is mucus?
- Define inflammation.
- What are phagocytes?
- What is a fever?
- Explain how cilia help rid your body of pathogens.
- How do helpful bacteria defend your body?
- How does inflammation help fight pathogens?
- Why is phagocytosis called ageneralbody defense?
- A fever is a sign of infection. Why might it be considered a good sign?
Further Reading / Supplemental Links
- Rebecca L. Johnson and Jack Desrocher. Daring Cell Defenders. Millbrook Press,
2007. - Susan Heinrichs Gray. The Skin. Child’s World, 2005.
- http://hypertextbook.com/facts/2001/IgorFridman.shtml
- http://www.biocarta.com/pathfiles/h_inflamPathway.asp
- http://www.nlm.nih.gov/medlineplus/ency/article/003090.htm
- http://en.wikipedia.org/wiki
Vocabulary
cilia Finger-like projects from the cells of the mucous membranes.
fever Higher than normal body temperature.
inflammation Reaction causing redness, warmth, and pain that occurs at the site of an
infection or injury.
mucus Sticky, moist substance that coats mucous membranes.
phagocytes A type of white blood cells that travel to sites of inflammation and destroy
pathogens and debris.
phagocytosis The process in which phagocytes engulf and destroy pathogens or debris.