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Defense System - Coggle Diagram
Defense System
Testing Penicillin
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after 24 hours, all mice in the control group were dead
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first tested on 43-year old policeman with a serious bacterial infection caused by a scratch from a rose thorn
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Mucous membranes
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tissues covered by mucus
mucus: secretion rich water, glycoproteins and lysozyme that trap pathogens and/or kill them, preventing their further entrance into the body.
Coat internal surfaces of organs exposed to materials coming from the external environment (eg. food, air)
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When we get cut
- the bleeding must be stopped
- the body must be rid of any pathogens that entered it
- the entrance of additional pathogens must be prevented
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Antibiotics
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antibiotics reistance
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through natural selection, strains of bacteria resistant to an antibiotic in their environment grow and spread out
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