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The Brain

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The Brain Outline Neuro-imaging techniques CT (Computed Tomography) scan which takes x-ray photos to reveal brain damage PET (positron emission tomography) scan which shows brain activity by showing the amount of sugar glucose each section of the brain uses. MRI (magnetic resonance imaging) scans which exploits the fact that our brains spin like tops. Head is put into a strong magnetic field which results in a detailed picture of the brains soft tissue Lower Level Brain Structures Exceptions to the rule that ratio of brain weight to body weight foreshadows intelligence: mice, marmosets (humans brain = 1/45) In primitive vertebrate animals (backboned) such as sharks the brain?s main function is breathing, resting, feeding

Biology chapter 1

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Interphase takes the longest to complete. This is because the cell is recovering from cell division in this stage. Cytokinesis is most significantly different between plant and animal cells. They are different because unlike plant cells, in animal cells, a cleavage furrow is formed. The purpose of mitosis is to increase the number of cells that have the same set of DNA ans parent cells. When they split they produce identical cells with a complete set of DNA. Conclusion:

chapter one outline for earht and its people ap world

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Paleolithic (Old Stone Age) - 3000 years after the ice age - Consisted of foragers - Used stone tools (name) Foragers - Hunting and food gathering people - Little evidence that Stone Age people were foragers - Doughnut shaped stones served as weights Neolithic (New Stone Age) - Origin of agriculture - Era of food production or “Neolithic Revolution” Agricultural Revolutions - Emphasizes the central role of food production - Domestication of animals for food - Started with foragers scattering seeds of their favorite foods - Polished or ground stone heads made to work the soil Çatal Hüyük - A large Neolithic town that existed from 7000-5000 B.C.E - 32 acres of land - Housing is plastered mud brick rooms

Greece

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Ancient Greece is the civilization belonging to the period of Greek history lasting from the Archaic period of the 8th to 6th centuries BC to 146 BC and the Roman conquest of Greece after the Battle of Corinth. At the center of this time period is Classical Greece, which flourished during the 5th to 4th centuries BC, at first under Athenian leadership successfully repelling the military threat of Persian invasion. The Athenian Golden Age ends with the defeat of Athens at the hands of Sparta in the Peloponnesian War in 404 BC.

Greece & Egypt

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Ancient civilizations such as Greece and Egypt are known throughout the world. There are many similarities and differences between the two. They had the ability to stay ahead of the their time and succeed. For these reasons both have a very strong influence in our history to date.

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