BIOB34H3 Lecture Notes - Lecture 9: Spinal Nerve, Spinal Cord, Lateral Ventricles

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15 Feb 2012
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Biob30fall2011 lecture 9: the central nervous system i (chapter 9) The brain and the spinal cord make up the central nervous system. The peripheral nervous system is made up of the autonomic nervous system, the eneteric nervous system and the somatic motor division. The autonomic nervous system (automatic involuntary control) consists of: cardiac, smooth muscle (internal organs), adipose tissue, endocrine system. The enteric nervous system digestive system. Somatic motor division skeletal muscles attached to bones (control diaphragm breathing) In jelly fish the nerve net functions together to coordinate movement. Flat worms have simple ns nerve cell bodies restricted to the head. Annelids and segmented worms have clusters of nerve cells (ganglia) through the body allows functions equivalent to spinal reflexes (involuntary movements such as knee reflex) in humans to be carried out. In vertebrates the forebrain is more complex contains structures such as the cortex and.

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