Chapter 14

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Author:
fifthgrade
ID:
153988
Filename:
Chapter 14
Updated:
2012-05-20 18:06:19
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Disease
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Description:
Disease
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  1. any abnormal condition in a living organism causing illness
    a disease
  2. an organism or particle that causes a disease
    pathogen
  3. caused by pathogens and are contagious
    infectious disease
  4. are not caused by pathogens and are not contagious
    nonifectious disease
  5. pathogens are classified into 4 groups:
    bacteria, viruses, fungi, and protists
  6. can spread from person to person, from infected animals, from soil, food or water, and through contaminated objects
    pathogens
  7. can help reduce the spread of diseases
    proper hygiene, clean environment, and hand washing
  8. an illness , such as the flu , begins suddenly and lasts for a short time.
    acute
  9. an illness that lasts along time and is frequent
    chronic
  10. A tiny, nonliving particle that can infect cells and cause disease
    virus
  11. cannot destroy a virus because they are not living and do not reproduce outside of their host's body
    antibiotics
  12. what cannot treat viral infectious disease or noninfectious disease
    antibiotics
  13. How do viruses multiply?
    A virus mulltiplies by attaching itself to a cell and injects its genetic material into the cell. This causes the cell to produce copies of the virus. The cell then releases the virus and the cyclebegins again.
  14. an is a substance that provokes allergies
    allergen
  15. A noninfectious disease
    Arthiritus
  16. Common genetic disorders are
    Down syndrome, hemophilia, sickle cell anemia, and color blindness.
  17. an abnormal reaction to a foreign substance
    allergy
  18. an is a substance that provokes allergies
    allergen
  19. , , , , , and are different types of allergens
    pollen dust mold foods medicines and animal dander
  20. the , , and systems all work together to defend the body against diseases
    immune lymphatic and cardiovascular
  21. when a invades a body, the immune system produces antibodies that help destroy the pathogens
    pathogen

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