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lecture 36 lecture

lecture 36 lecture - Lecture 36 The Vertebrate Brain(look...

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Lecture 36: The Vertebrate Brain (look at lecture…lots of pics) 1- Divisions of the Nervous System 2- Evolution of Brain Structures and Size 3- Functional Division of Cerebral Cortex, Somatosensory Cortex, Motor Cortex, Language -Nervous Systems show a variety of complexity with increasing cephalization -Vertebrate Nervous System has two divisions 1) CNS (Central Nervous System): Brain, Spinal Cord 2) PNS (peripheral Nervous System): Cranial and Spinal Nerves -Autonomic (Involuntary) nervous system: controls visceral functions *Sympathetic (Fight or Flight) most ganglionic neurons = NE -constrict blood vessels, increase blood pressure, relax air passages in bronchi, accelerates <3 rate, dilates pupil, inhibits salivation, stimulates sweating, inhibit digestion, stimulate glycogen breakdown, stimulates secretion of adrenaline, relax bladder, stimulates penile ejaculation *Parasympathetic (Rest & Digest) post ganglionic neurons = Ach -vasodilation, decrease blood pressure, constricts air passages in cbronchi,
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