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Science 15 Key Ideas

Into what two groups do scientists classify diseases? noncommunicable and communicable
What is a pathogen? anything that causes a disease
What are the four common types of pathogens? protozoans, fungi, bacteria, and viruses
Name some ways that pathogens are spread by air water and contact
How are noncommunicable diseases different from communicable diseases? noncommunicable can not be spread by pathogens but communicable diseases can be spread
What is an epidemiologist? are scientists that study the causes and spread of diseases
Name some barriers that help to keep pathogens out of your body scabs and skin
What are the three main categories of the body's defense system? defensive barriers, Nonspesific defensive, and specific defenses
How are antibodies and antibiotics similar? they both destroy things
How are antibodies and antibiotics different? antibiotics are a chemical antibodies are proteins
What is an allergen? is anything that causes the immune system to have an allergic reactions
What is an autoimmune disease? A disorder that occurs when the immune system attacks the healthy cells that it should protect
What are the different types of immunities? active immunity and passive immunity
What are examples of immune system malfunctions? allergies immune deficiency and transplants
What are the advantages of robotic surgery? patents heal more quickly and spend less time in the hospitals
What are the disadvantages of robotic surgery? the machines are very expensive and they take about twice as long as normal surgeries
What is the contribution of Dr. John Snow? he helped figure out the cause of cholera
1796 Edward Jenner Doctor discovers smallpox vaccine
1847 Ignaz Semmelweis dirty hands spread disease
1854 Florence Nightingale nurse cleans hospitals saving lives
1867 Joseph Lister surgical doctor uses disinfectant s to kill microorganism's
1868 Louis Pasteur killing microorganism's stops communicable diseases
1882 Robert Koch speccific pathogens cause specific diseases
1898 Martinus Beijerinck discovery of small pathogen called virus
1928 Alexander Fleming medicine from mold kills bacteria
1952 Jonas Salk polio vaccine prevents epidemics
Created by: NancBradl



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