Disease

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Disease

  1. 1. Diseases<br />6th Grade Science<br />
  2. 2. I. Infectious Disease<br />A. Pathogens<br />Organism that causes disease<br />B. Infectious Disease<br />1. Pathogens in body causing harm<br />
  3. 3. C. Types<br />1. Bacteria<br />i. Simple Single celled organisms<br />a. Direct damage by destroying cells (strep)<br />b. Release toxin to poison body (tetanus)<br />2. Virus<br />i. Tiny genetic particle that replicate inside cells (cold)<br />3. Fungi<br />i. Molds and yeast<br />ii. Warm, dark, moist area (athletes foot, ringworm)<br />4. Protists<br />i. Advanced Single celled organisms<br />a. Malaria, Dysentery…<br />
  4. 4. II. Spread<br />A. Infected people<br />1. Physical contact<br />i. Direct Contact: Hand shake, kissing<br /> ii. Indirect Contact: Sneeze (air), touched objects<br />B. Soil<br />1. Live in soil (botulism)<br />C. Food/Water<br />1. Cholera<br />D. Infected animals<br />
  5. 5. III. Non-Infectious Disease<br />A. Allergies<br />1. Allergen<br />2. Asthma<br />B. Diabetes<br />1. Type I – Childhood<br />2. Type II - Adult<br />C. Cancer<br />1. Uncontrolled growth of cells<br />2. Caused by carcinogen<br />

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