PPT-The Brain Day 4 How many neurons?

About 100 billion multipolar neurons Innumberable nerve fibers Allow the neurons to communicate with one another and to other parts of nervous system Three Major Parts Cerebrum Largest contains nerve centers associated with sensory and motor functions provides higher mental functions including memory and reasoning. Learning Outcomes. Describe the nervous system, including neurons, neural impulses, and neurotransmitters.. List the structures of the brain and their functions.. Learning Outcomes. Explain the role of the endocrine system and list the endocrine glands.. Your brain has 3 different parts , there is a small brain called the reptillian brain a medium brain called your limbic brain and you have a big brain called your neo cortex. Your reptillian brain tells you when you need food, water and sleep. Your limbic brain controls your feelings and emotions. For your brain to work best you need to feel safe and happy.. The nervous system. Starter- go to your nearest big board and draw out the nervous system diagram without notes.. You must add detail as well not just name the different parts.. You will be given a card by your teacher. Biological Bases of Behavior. “The brain is the last and greatest biological frontier. It is the . most complex thing. . we have yet discovered in the universe.”. Hippocrates (400 BC). “From the brain and only the brain arise our pleasures, joys, laughter and jests,as well as our sorrows, pains, grief and tears.”. Spinal cord. Transmits messages from the brain to the other areas of the body.. Efferent – away from the brain out to the body. Produces muscle action. Afferent – from the periphery to the brain. Objectives . Gain a general understanding of the nervous system. Gain knowledge of the structure and function of the neuron. Navigate your way around the major brain areas and understand their function. or . junction between neurons & effectors. Synapses rarely involve just 2 neurons. neurotransmitters (chemicals) are released into the synapse by axon terminal of the pre-synaptic neuron. neurotransmitters stimulate the dendrites on post-synaptic neurons or receptors on effectors. Bob Wolford. Vermont Law School. November 13, 2015. Fun facts about Neurons. Here . are some interesting statistics* about neurons in humans and other animals (remember that these are averages because there is a lot of variability in the nervous system!):. La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . cell body dendrites and axon The axon is covered by the myelin sheathThe transfer of information between neurons is called neurotransmissionThis is how neurotransmission works1 A message travels from Brain and Behavior. David Eagleman. Jonathan . Downar. Chapter Outline. The Cells of the Brain. Synaptic Transmission: Chemical Signaling in the Brain. Spikes: Electrical Signaling in the Brain. What Do Spikes Mean? The Neural Code. L. lacovitti, J. Lee, T. H. Joh, and D. J. Reis Department of Neurology, Laboratory of Neurobiology, Cornell University Medical College, New York, New York 10021 In viva, neurons of the cerebral cor Concept 49.1. Mary Kathryn Pearson, Susan Sabatier, and Olivia Johnson. Simple Nervous Systems. In most animals with nervous systems, clusters of neurons perform specialized functions. . Such clustering is absent in the cnidarians, the simplest animals with nervous systems. . It is estimated to be only about 3 pounds, which is usually around 2 percent of your body’s weight.  . Unbelievably, given that it is the bedrock of your personality, some think even your soul, it is 85% water!   .