human body as microcosm philip jarret
TRANSCRIPT
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The Human Body: A Microcosm
“I’m not so simple, after all.”
By: Philip Jarrett
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What I will do
• Compare the human body to a natural environment
You can already see the resemblance!
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What Are We?
• Approximately 50 trillion cells (5 x 1013 cells!)
Nerve Cell Cancer Cell Heart Cell
Does it look like outer space? Not quite! It’s you!(Hopefully not the cancer cell)
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What Are We?
• Approximately 10% Eukaryotic• The rest are Microbes!
Intestinal Bacteria Bacteria in Mouth Biofilm
Bacteria may either help us or hurt us.But we can’t live without them.
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Then, Who Are We?
• We are a bundle of cells constantly trying to maintain balance
-Extracted from dictionary.reference.com
This reminds me of the interactions between species in a community
Hibernation and Panting
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Community vs. Cells of the Body
Human Cells constantly seek homeostasis
Organisms seek homeostasis in nature
Same Phenomenon, Different Environment
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First Level of a Community
“Primary Producers” : earliest organisms that provide nutrition/means for other living organisms
Typically include:• Plants• Algae
• Plankton
In the same way, the brain provides means through which the rest of the body survives.
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Second Level of a Community
“Primary Consumer” : organisms that directly consume primary producers
Typically include:• Small Insects
The peripheral nerve cells do this by receiving and transmitting impulses from the brain.
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Third Level of a Community
“Secondary Consumer” : organisms that directly consume primary consumers
Typically include:• Large Insects• Pesky Rats
• Fish
The rest of the cells in the body act like this within communities.
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Mob Rule
In a population, organisms communicate with each other to share information.
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A Community requires Diversity
A community includes numerous forms of life, from flora to fauna (plants to animals)
Our body has diversity too!
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Adaptation Keeps Things Fair
In nature, species adapt and evolve to overcome the equal progress of other species
Our body adapts also!
Neutrophils
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Conclusion
Our bodies have countless similarities with the natural world.
In other words, we aren’t so different from the rest of nature.