Understanding the Functions of the Brain and Nervous System
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Questions and Answers

What is the general function of the brain and nervous system?

Take in information from the outside world and our bodies, and work out the best course of action, causing changes in our bodies to enable that action to happen.

What is the purpose of exploring the structures, circuits, and cells of the nervous system?

To understand broadly how information flows into, through, and from the brain, and how these structures and cells generate behaviors and internal responses.

What are the biological structures and processes that enable us to exist and interact with the world?

Our thoughts and actions.

What are some examples of behaviors that the brain and nervous system enable us to perform?

<p>Running away from a lion, catching a ball, or going to sleep.</p> Signup and view all the answers

What is the main focus of the following chapters of the book?

<p>To learn more about how the structures and cells of the nervous system generate behaviors and internal responses.</p> Signup and view all the answers

Why is it important to learn about the different parts of the nervous system?

<p>To understand how information flows into, through, and from the brain, and how it generates behaviors and internal responses.</p> Signup and view all the answers

What is the nervous system compared to in the text?

<p>a computer</p> Signup and view all the answers

What are the two main parts of the nervous system?

<p>central nervous system and peripheral nervous system</p> Signup and view all the answers

What structures make up the central nervous system?

<p>brain and spinal cord</p> Signup and view all the answers

How is the peripheral nervous system (PNS) described in terms of symmetry?

<p>Symmetry around the midline is a general feature of nervous system organisation</p> Signup and view all the answers

What are the two subdivisions of the peripheral nervous system (PNS)?

<p>somatic and autonomic nervous systems</p> Signup and view all the answers

What does the autonomic nervous system further subdivide into?

<p>three further divisions</p> Signup and view all the answers

What is the primary function of the nervous system, as mentioned in the text?

<p>detecting something, transmitting information, integrating it with other information, and sending an instruction to other parts of the body</p> Signup and view all the answers

What determines the program run by a given cell or structure in the nervous system?

<p>how that cell or structure is connected to other cells or structures, and the biological rules that govern those connections and how they change over time</p> Signup and view all the answers

What is the role of the peripheral nervous system in relation to the central nervous system?

<p>It provides the input to the CNS, which computes what to do with that information, and sends outputs back to the body via the PNS</p> Signup and view all the answers

What is the function of the cranial nerves in the peripheral nervous system?

<p>connect to the brain</p> Signup and view all the answers

What is the primary function of the brain and nervous system as mentioned in the text?

<p>Generating thoughts and actions</p> Signup and view all the answers

What is the purpose of exploring the structures, circuits, and cells of the nervous system?

<p>To grasp how information flows into, through, and from the brain</p> Signup and view all the answers

How is the peripheral nervous system (PNS) described in terms of symmetry?

<p>Asymmetrically distributed nerves</p> Signup and view all the answers

What determines the program run by a given cell or structure in the nervous system?

<p>A combination of internal and external factors</p> Signup and view all the answers

What structures make up the central nervous system?

<p>Brain and spinal cord</p> Signup and view all the answers

What are some examples of behaviors that the brain and nervous system enable us to perform?

<p>Reading and writing</p> Signup and view all the answers

What is the role of the autonomic nervous system?

<p>It controls involuntary bodily functions like heart rate and digestion</p> Signup and view all the answers

How does the nervous system function similar to a computer, as mentioned in the text?

<p>By integrating information and sending instructions to other parts of the body</p> Signup and view all the answers

What does the central nervous system comprise?

<p>The brain and the spinal cord</p> Signup and view all the answers

What is the primary function of the peripheral nervous system?

<p>To connect the CNS with the rest of the body</p> Signup and view all the answers

What determines the program run by a given cell or structure in the nervous system?

<p>The biological rules that govern connections with other cells</p> Signup and view all the answers

What are the two main parts of the nervous system?

<p>Central and peripheral nervous systems</p> Signup and view all the answers

What is a general feature of nervous system organization?

<p>Symmetry around the midline</p> Signup and view all the answers

What would be an example of an output generated by a nerve cell in the context mentioned in the text?

<p>Forming patterns of muscle contractions to make you run</p> Signup and view all the answers

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