PPT-Neurons & the Nervous System

Network of connected cells tissue and organs Controls thoughts movement life processes Quick responses Ex Sunny day pupils shrinking Eye in bright light Eye in dim light Nervous System. 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. Structure and Function. 2. Input. (sensation). Output. (action). In order to understand behavior, we must understand the operating mechanism of the nervous system. What is the function of the nervous system?. Mr. E Murphy. Strange fact. A newborn baby's brain grows almost 3 times during the course of its first year. . Objectives. Identify the importance of the nervous system in humans. Know the difference between the CNS and the PNS. 15. Autonomic nervous system. is a set of pathways to and from the central nervous system (CNS) that . innervates and regulates smooth muscle, cardiac muscle, and glands. .. •. Autonomic nervous system plays a major role . Section 1 – Functions & Divisions of the Nervous System (pp. 386-387). This is your brain…. The Nervous System. And this is your brain – IN ANATOMY!!. Or better yet…. The Nervous System. Functions of the Nervous System. . chapter 29 in text. Objectives and Questions:. 1. I can describe the functions of the nervous system. 2. . I can describe the parts of a neuron cell and identify how they transmit electrochemical impulses.. 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.. The Nervous System: Communication. Neurons are masses of nerve cells that transmit information. Three main components:. (1) Cell Body – contains the nucleus and two extensions. (2) Dendrites – shorter, more numerous, receive information. 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 . Nervous System Nervous System Design 2 main section C entral N ervous S ystem P eripheral N ervous System   C entral N ervous S ystem  (CNS) brain and spinal cord.  encased in skull and vertebral column to protect Chapter 11 and 12. Intro Animation. . 2. In the Biology 20 course, you studied some of the major body systems in the context of achieving homeostasis.. Homeostasis. : the process by which a constant internal environment is maintained despite changes in the environment.. 1. Two main divisions. a. . Central Nervous System . (CNS) – consists of brain and spinal cord. b. . Peripheral Nervous System . (PNS) – includes nerves extending from . brain and . spinal . cord . THE AUTONOMIC NERVOUS SYSTEM. The autonomic nervous system (ANS) is a motor or efferent system which connects the central nervous system with all smooth muscle, cardiac muscle and gland cells of the body.. System. This work is licensed under a. Creative Commons Attribution 4.0 International License. (CC-BY).. Concepts of Biology. Chapter 16: . The Nervous System. An athlete’s nervous system is hard at work during the planning and execution of .