Bio 17 – Nervous & Endocrine Systems. Atoms and Ions.

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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

Runner’s High = DECREASED GABA Aggression; Serial killers low levels; important for sleep and low levels assoc with depression Important for sleep, mood, learning; HIGH = Schizophrenia; LOW = Parkinson’s High Runner’s high INCREASED DOPAMINE

Drug Effects Morphine SSRI – Lexapro; ProzacCurare

Neurotransmitter Communication: 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 – _____________ produces hormones and regulates body temperature, hunger, thirst, sexual response, circadian rhythms Hypothalamus

Cerebrum – with cortex and corpus callosum higher thinking *

Cerebrum

Hormones

Other Hormones

Hormone Example…

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