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Download Bio 17 – Nervous & Endocrine Systems
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Bio 17 – Nervous & Endocrine Systems Atoms and Ions Plasma Membranes Transport Resting Potential Sodium/Potassi um Pump Potassium Channels (K+) Sodium Channels (Na+) Action Potential How Neurons Communicate… IPSP = Inhibitory Postsynaptic Potential EPSP = Inhibitory Postsynaptic Potential Important for sleep, mood, learning; HIGH = Schizophrenia; LOW = Parkinson’s High Runner’s high INCREASED DOPAMINE Aggression; Serial killers low levels; important for sleep and low levels assoc with depression Runner’s High = DECREASED GABA Drug Effects Morphine SSRI – Lexapro; Prozac Curare Neurotransmitter Communication: • http://www.youtube.com/watch?v=90cj4NX8 7Yk The Brain = Many Neurons Glial Cells The Brainstem • The Medulla Oblongata and the Pons controls breathing, heart rate, digestion • The Cerebellum controls coordination of movement and balance (Karate; Dance. Separate Section of the brain) * Stairs… The Midbrain • The Midbrain receives, integrates, and projects sensory information to the forebrain * – Thalamus • conducts information to specific areas of cerebrum Hypothalamus – _____________ • produces hormones and regulates body temperature, hunger, thirst, sexual response, circadian rhythms * • Cerebrum – with cortex and corpus callosum • higher thinking Cerebrum Cerebrum Hormones Hormones Other Hormones Hormone Example…