Nervous system central nervous system, ziser, lecture notes, 2010. Pdf foundations of physiological psychology neil r. The nervous system integrates and monitors the countless actions occurring simultaneously throughout the entire human body. Disorders of the central and peripheral nervous systems structure and function of the nervous system chapter 12 overview of the nervous system central nervous system cns brain and spinal cord peripheral nervous system pns cranial nerves spinal nerves pathways afferent ascending efferent descending.
The cns is the integrative and control center of the nervous system. They are called spinal because they carry information to and from the spinal cord heimer,1983. The lateral branches of the nervous system circle around the digestive system. Nervous system notes part 1 questions and study guide. Powerpoint lecture slide presentation by patty bostwicktaylor, florencedarlington technical college copyright. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Question 2 study the diagram representing the structure of the human brain below. Anatomy i, chapter, peripheral nervous system notes. The nervous system is a network of neurons whose main feature is to generate, modulate and transmit information between all the different parts of the human body. Lecture 1 nerves, neurons and neuroglia cns and pns function of the nervous system supporting cells. Hyperopia occurs when the image is being focused behind the. The human nervous system is a complex ofinterconnected systems in which larger. The nervous system is a complex, highly coordinated network of tissues that communicate via electro chemical signals. The central nervous system cns, consisting of the brain and the spinal cord, is the control center for. Feb, 2012 we use your linkedin profile and activity data to personalize ads and to show you more relevant ads. Nervous system topic notes 2 a neurotransmitter is a chemical substance released by a neuron to transmit a nerve impulse to another neuron or effector. It regulates organ function, higher thought, and movement of the body. Its very important to explain how the nervous system is and how it works. Vagotomy for gastric ulcers is an old procedure which is used as surgical management in patients with recurrent gastric ulcers when. Here there are some books and some web pages where you can find the information needed.
It is the center of all mental activity including thought, learning, and memory. Nervous system consists of cns brain and spinal cord. The nervous system powerpoint notes the anatomy and physiology of animals illustrat e the complementary nature of structure and function. Motor or efferent system carries impulses to the body away from the cns. The brain constitutes about onefiftieth of the body weight and lies within the cranial cavity. Students use their five senses to complete a writing exercise, complete a concept map about the nervous system and work through a reading and question package on the components of the nervous system, reflexes and instincts. Peripheral nervous system, ziser, lecture notes, 2010. The peripheral nervous system consists of nerves outside the cns and functions in cranial and spinal nerves sensory organs. The nervous system is divided into two main divisions. An insects nervous system is a network of specialized cells called neurons that serve as an information highway within the body. The central nervous system cns consists of the brain and the spinal cord. Neurons are the basic functional units of the nervous system, and they generate. Human physiologythe nervous system 5 central nervous system the central nervous system is the control center for the body.
Choose from 500 different sets of lecture notes nervous system anatomy physiology flashcards on quizlet. Understand that the nervous system includes the central nervous system cns, the peripheral nervous sytem pns and the autonomic nervous system or the ans. Processes the information in the brain and spine integration function. The central nervous system receives input from the pns, integrates the input and causes a response. Endocrine system notes coral springs charter school. The nervous system pdf the nervous system pdf free download, the nervous system pdf, the nervous system ebook content in a series of intriguing essays ranging over terror, state fetishism, shamanic healing in latin america, homesickness, and the place of the tactile eye in both magic and modernity, anthropologist michael taussig puts into representational. Its not so much what chronic stress does to the nervous system, but what continuous activation of the nervous system does to other bodily systems that become problematic. The central nervous system consists of a pair of cerebral ganglia or suprapharyngeal ganglia which fuse to form brain which is whitish pearshaped structure. The nervous system is divided into two main components, fig. Nervous control in some cases, sympathetic nervous system causes direct release of hormone from gland for example, when. Your group has to look for information about the spinal cord and the nervous system. A synapse is a structure where two neurons come into close contact so that a nerve impulse can be transmitted between the two neurons.
It gathers information from all over the body and coordinates activity. The central nervous system is your bodys command center. This indicates an embryo, looking at it from a dorsal viewpoint. The cns is made up of the brain, which is located in the skull, and the spinal cord that is located within the vertebral canal. The function of the nervous system to receive the information from the environment and various body parts stimuli response and act accordingly through muscles and glands.
Overview of nervous system disorders johns hopkins medicine. Central nervoussystemspinal cord and brain anatomyintegrative functionchapter 48 page 10421051 2. The central nervous system controls all voluntary movements and internal organs, glands and blood vessels. Neuron is the primary component of the nervous system. Central nervous system cns brain spinal cord peripheral nervous system pns nerves, ganglia, receptors. These messages allow you to do things like walk, think, feel, be scared, and even breathe. The nervous system functions of the nervous system 1. Glial component, supportive microglia, the police force of the cns. Endocrine system function of the endocrine system to secrete hormones chemical messengers that coordinate and direct target cells and organs. The peripheral nervous system on the other hand, contains the cranial nerves. The nervous system the nervous system is very important in helpingto maintain the homeostasis balance of thehuman body. When we say the central nervous system, we are basically just talking about the brain and the spinal cord.
These notes are applicable for federal board fbise, and can be helpful for other boards of pakistan like punjab board lahore, rawalpindi, faisalabad and multan and kpk board. Are you looking for chapter 17 nervous coordination notes for 12th class in the pdf and images form. Read this article to get study notes on central and peripheral nervous system. Central nervous system cnsorgans bone fluidfilled cavitybrain skull ventriclesspinal cord spinal column,spine, vertebraecentral canal 3. The central nervous system consists of the brain and spinal cord.
Overview of neuron structure and function article khan academy. Ultimately, the nervous system structures preside over. At least one pair of these laterally branching nerves originates from each segment. Bio 354 neurobiology 2 1 lecture 11 and 12 autonomic nervous system raghav rajan bio 354 neurobiology 2 february 11th 2015 material for lecture is from the following links. The nervous system consists of the central nervous system, which includes the brain and spinal cord, and the peripheral nervous system, which includes nerve fibers extending from the brain and spinal cord that carry information between the central nervous. The nervous system is the bodys communication network and control center. During development, the chambers become the ventricles see below, and the tissue around them becomes the three major brain divisions table 1. Several chapters have been reorganised to include new. As the autonomic nervous system continues to trigger physical reactions, it causes a wearandtear on the body. The central nervous system structure and function article pdf available in spinal cord 374.
Evaluation and management of autonomic nervous system disorders. Learn lecture notes nervous system anatomy physiology with free interactive flashcards. There are two major divisions of the nervous system. Diseases of the nervous system central nervous system brain is a prisoner basic cellular elements neurons, location means everything neuronal reaction to injury, very limited axonal growth no regeneration of lost cells accumulation of junk within the cells can be harmful.
It is responsible for receiving and processing information in the body and is divided into two main branches. The nervous system is like a network that relays messages back and forth from the brain to different parts of the body. Monitoring changes in internal and external environment stimuli. The nervous system is the major controlling, regulatory, and communicating system in the body. Astrocytes microglial cells part of the bloodbrain barrier bbb peripheral nervous system pns nerves, sensory ganglia, and autonomic. Pdf the central nervous system structure and function.
The central nervous system cns, consisting of the brain and the spinal cord, is the control center for the entire nervous system. Without it, we not only have no senses and no ability to move. The basic component of the nervous system is the nerve cell or neuron. The peripheral nerves are mixed because they are afferent and efferent. Consists of brain, spinal network and a huge network of nerves. This property enables many important functions of the nervous system, such as regulation of vital body functions heartbeat, breathing, digestion, sensation and body movements. Notes on central nervous system university of prince. Composed of cell body gray matter, axon and dendrites. These cells generate electrical impulses action potientials that travel as waves of depolarization along the cells membrane.
Activates muscle contraction, glandular secretion, etc. Sense organs are linked to the peripheral nervous system. The central nervous system is made up of the brain and spinal cord. The autonomic nervous system ans automatically regulates the function of body systems outside of voluntary control. Neurons carrying impulses from sensory receptors to the cns are sensory, or afferent, neurons. Sensory or afferent system carries impulses to the central nervous system. Transmits information to the processing areas of the brain and spine 3. The nervous system is comprised of two major parts, or subdivisions, the central nervous system cns and the peripheral nervous system pns. The nervous system is an organ system which is responsible for sending messages from the brain and spinal cord to all the parts of the body and back to the brain. Much of what is known about axonal function comes from studying the squids giant axon, an. Endocrine glands secrete hormones directly into bloodstream ductless exocrine glands secrete substances through.
The etiologies of these infections are usually confirmed in nervous system and the central nervous system. The body shifts its energy resources toward fighting off a life threat. The basic signal in the unit of the nervous system is the neuron. Cerebrum outermost area cerebral cortex is gray matter, deeper area is composed of white matter.
Explain nervous system and its function in animals. Central nervous system cns infections, which can be caused by a number of different viruses, bacteria, fungi, and parasites, cause substantial disease and death in southeast asia. Notes on nervous system of earthworm grade 11 biology. Management of central nervous system infections, vientiane. Grey matter a major component of the central nervous system, consisting of neuronal cell bodies, dendrites and unmyelinated axons, glial cells astroglia and oligodendrocytes and capillaries. Evaluation and management of autonomic nervous system. The nervous system is a complex, sophisticated system that regulates and coordinates body activities.
The central nervous system introduction the central nervous system is one of the two principal divisions of the bodys nervous system. The peripheral nervous system receives stimuli from the environment and conducts action potentials to and from the cns. They are groups of receptor cells responding to specific. The central nervous system cns, consisting of the brain and the spinal cord, is the control center for the. An informational passage that is also a foldable 9 short answer comprehension questions based on all resources a parts of the nervous system tree map a central and peripheral nervous system foldable neuron notes lobes of brain notes and t. Chapter 17 nervous coordination notes in pdf 12th class. The central nervous system develops from the neural tube, while the peripheral nervous system develops from the neural crest cells. Gathers information from both inside and outside the body sensory function 2. The peripheral nervous system the peripheral nervous system in figure 1. Processes the information in the brain and spine integration function 4. To see what is in the nervous system, we have to cut it open. Early in its development, the cns is a hollow tube with three interconnected chambers.
The earthworms nervous system consists of a brain and a main nerve cord with laterally branching nerves. We explore the types of cells involved, the regions of. A series of sensory receptors work with thenervous system to provide information aboutchanges in both the internal and externalenvironments. The cns has various centers located within it that carry out the sensory, motor and integration of data.
The brain is the central computer that controls all the functions of your body. The main nerve cord runs along the ventral surface of the worm. List some functions of the parasympathetic nervous system. Not for sale or distribution introduction to the structure. Together, they coordinate and regulate body functions. Grey matter a major component of the central nervous system, consisting of neuronal cell bodies, dendrites and unmyelinated axons, glial cells astroglia and. Describe the structure and function of the enteric nervous sytem. Nervous system central nervous system, ziser, lecture notes, 2006 6 system and frontal lobes of cerebrum much of the richness of your emotional life depends on these interactions all sensory impulses are shunted through the limbic system crude appreciation of some sensations eg. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis. The autonomic nervous system handout is designed to help clients understand their body sensations and reactions to stressful situations or events. These are the very essence of our selves, yet they can be disastrously changed, and even completely erased, by disorders of the nervous system. When the body is stressed, the sns contributes to what is known as the fight or flight response.
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