Nervous co ordination
Download
1 / 12

Nervous co-ordination - PowerPoint PPT Presentation


  • 96 Views
  • Uploaded on

Nervous co-ordination. Objectives - CNS. Describe the gross structure of the whole brain and spinal cord. Location and function of the; Medulla oblongata Cerebellum Cerebral hemispheres Hypothalamus. Describe the functioning of the spinal reflex.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Nervous co-ordination' - andren


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

Objectives cns
Objectives - CNS

  • Describe the gross structure of the whole brain and spinal cord.

  • Location and function of the;

  • Medulla oblongata

  • Cerebellum

  • Cerebral hemispheres

  • Hypothalamus.

  • Describe the functioning of the spinal reflex.





Objectives nervous co ordination in mammals
Objectives – nervous co-ordination in mammals.

  • Appreciate the difference between nerves and hormones.

  • Structure and function of different neurones.

  • Understand nerve impulses and action potentials.

  • Structure and function of a synapse.

  • Understand the effect of drugs.


Structure
structure

  • Myelination

  • http://www.sensory-systems.ethz.ch/MultiMedia/actionp.swf



Synapse http www bishopstopford com faculties science arthur synapse swf
Synapsehttp://www.bishopstopford.com/faculties/science/arthur/synapse.swf


Depolarisation
Depolarisation

Cartoon of the whole process.

  • http://www.brainu.org/action_potential_cartoon.swf

    Shows the wave action.

  • http://schools.tdsb.on.ca/rhking/departments/science/bio/homeostasis/nervous_system/action.mov

    Short clip of depolriation.

  • http://instruct.uwo.ca/biology/022/unit3/48-09-ActionPotential.mov


Drugs
Drugs

  • Caffeine

  • Nicotine

  • Opiates


Nervous co ordination
Quiz

  • What structures make up the central nervous system?

  • What does the medulla oblongata do?

  • Where do you find cell bodies in the spinal cord?

  • Name 4 main structures of a nerve.

  • Which ion initiates the release of a neurotransmitter?

  • Name 1 neurotransmitter?

  • What happens in an action potential when K channels open?

  • What effect does opiates have?