Answer the Wednesday Question in your Bellwork BELLWORK 10-21-15.
Happy Monday! Bellwork: Find your new seat! Ask your new shoulder partner what they think causes...
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Happy Monday!
Bellwork: Find your new seat! Ask your new shoulder partner what they think causes acne. Write their hypothesis in your notes.
Now, read page 244 and complete the My Planet Diary on that page.
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What causes diseases?Ancient Times
•Evil spirits•Foul-smelling air •Imbalance of body fluids
1860’sLouis Pasteur
•Microorganisms caused diseases experiment with silk worms
1880’sJoseph Lister
•Microorganisms caused diseases that followed surgeries
Specific organisms cause each disease • organisms that cause disease are pathogens
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Viruses Reproduce in cells
Non-living Much smaller than bacteria
Example: Flu, cold, HIV
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Bacteria Unicellular Damage
cells with toxins
Example: Strep-throat, tetanus, ear infection
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Protists Unicellular Larger than a
bacterium Causes
diseases common in tropical areas
Example: malaria
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Fungi Uni- or
multi-cellular
Grow in warm, dark areas
Example: athletes foot, ring worm
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Parasites Uni- or multi
cellular Live in or on
host and cause it harm
Example: Tape worm, tick
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Bacteria harm your body by:
A.Living on or inside you and causing harm
B.Damaging cells with toxins
C.Reproducing inside healthy cells
D.Bacteria does not harm your body
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This type of pathogen is not actually living
A.Virus
B.Bacteria
C.Protist
D.Fungi
E.Parasite
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Fungi grows in:
A. Cool, well-lit environments
B. Cool, dark environments
C. Warm well-lit environments
D. Warm, dark environments
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A tick is an animal that attaches to a host and feeds off the hosts blood, this harms the host.
What is this?
A.Virus
B.Bacteria
C.Protist
D.Fungi
E.Parasite
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First Line of Defense
Surface of your Skin
Breathing passages Mouth and stomach
act as barriers which trap and kill most pathogens
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2nd Line of Defense Inflammatory
Response
Fluid and White blood cells come from blood vessels and fight against pathogens.
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3rd Line of Defense
Immune response
Immune cells in the blood and tissue react to each kind of pathogen
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Immune System
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Types of Immunity Active-your bodies
immune system produces antibodies
Chicken pox Vaccine-weakened
form of the virus
Passive -antibodies come from another source
Rabies Antibodies given to a
person
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Infectious vs. noninfectious
Infectious Virus, bacteria, protist, fungi, parasites, etc
Noninfectious Not caused by
pathogens Inherited from
parents or environment
Allergies, asthma, diabetes, cancer
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Brainpop!
https://www.brainpop.com/health/bodysystems/immunesystem/