PPT-Chapter 13 Central Nervous System

Basic parts of the CNS Brain Spinal Cord Brain Basic Parts Cerebrum Cerebellum Brain Stem Cerebral Cortex Sulcus valley Fissures Gyrus Mountains or raised areas Sulcus and Fissures of the Brain. Functions of the Nervous System. Sensory input – gathering information. To monitor changes occurring inside and outside the body. Changes = stimuli. Integration. To process and interpret sensory input and decide if action is needed. The . function of the nervous system is:. To sense, interpret, and respond to internal and external environmental changes to maintain a steady state in the . body (homeostasis). The nervous system is divided into two major structures: . Pain happens only in your head.. Anyone can be hypnotized.. Nerves don’t actually touch each other.. Not feeling pain is a good thing.. Most people can get along just fine with out senses.. You can control your nervous system.. Brain. Spinal Cord. Nerves. Vocabulary to Know . Homeostasis. The regulation of steady, life-maintaining conditions inside an organism, despite changes in its environment . Nerve Cells . Neurons. Basic functioning units of the nervous system . The Nervous System Central Nervous System Peripheral Nervous System Procedure A starting person will be chosen and will be given an object. Once the teacher gives the signal, the start person will pass the object to their right. The Nervous System Good Morning… Bell Ringer #1: Reflect back over winter break . Bell Ringer #2 Review your notes from last class. Answer the following question using those notes: How did your nervous system help you conduct the activity you did in the computer lab (red light/green light activity)? The Nervous System Central Nervous System Peripheral Nervous System Procedure A starting person will be chosen and will be given an object. Once the teacher gives the signal, the start person will pass the object to their right. The Nervous System Central Nervous System Peripheral Nervous System Procedure A starting person will be chosen and will be given an object. Once the teacher gives the signal, the start person will pass the object to their right. History of Research on Nervous system. 460 -379 B.C. . Hippocrates discuss the epilepsy as disturbance of brain and also indicated that the brain is involved with sensation and is seat of intelligence. . is the main component of the two parts of the . nervous system. ; the . brain. and . spinal cord. of the . central nervous system. (CNS), and the branching peripheral nerves of the . peripheral nervous system. Figure 1. Nervous System Hierarchy Characteristics of the Central Nervous System The most fundamental way of categorizing groups of neurons that make up the central nervous system is as nuclei and Human nervous system two major parts: central nervous system and peripheral nervous system. Nervous System Organization. Brain. Spinal cord. Central Nervous System. Nervous System Organization. All neurons outside the CNS. 85 to 180 billion neurons in the human brain?! How does anything get done?. CENTRAL NERVOUS SYSTEM. Brain and spinal cord.. PERIPHERAL NERVOUS SYSTEM (PNS). Def. : all nerves that lie outside the brain and spinal cord. 3.02 Understand the functions and disorders of the nervous system. 3.02 Understand the functions and disorders of the nervous system. 2. 3.02 Essential Questions. What . are . the . functions . of the nervous system?.