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5 Written Questions

5 Matching Questions

  1. Peripheral nervous system
  2. Dendrites
  3. Hormones
  4. Central nervous system
  5. Countercurrent exchange
  1. a In animals, chemicals produced in endocrine glands that are released into and transported via that bloodstream to other parts of the body where they act.
  2. b The part of the nervous system that is comprised of the brain and spinal cord.
  3. c Branched extensions of nervve cells that transmit impulses to that cell.
  4. d Arrangement of vascular tissues that enable heat to be transferred from a vessel carrying fluid from the core to an extremity, to a vessel carrying fluid from an extremity to the core.
  5. e Sub-branch of the nervous system involving all nerves that lie outside the brain and spinal cord.

5 Multiple Choice Questions

  1. Compound that when added to a fluid loewrs the freezing point of the fluid.
  2. Organisms whose body temperature is maintained by internal metabloic sources.
  3. Features that assist an organism to survive in a particular habitat.
  4. Part of the neuron that contains the nucleus. Also called the soma.
  5. The maintenance of constant internal salt and water concentrations in internal fluids.

5 True/False Questions

  1. Negative feedbackCompound that when added to a fluid loewrs the freezing point of the fluid.


  2. Effector neuronsNeurons which transmit information from the central nervous system to muscle cells or glands. Also called motor neurons.


  3. OsmosisThe net movement of water across a partially permeable membrane without an input of energy and down a concentration gradient.


  4. HomeothermicOrganism whose body temperature fluctuates with its surroundings.


  5. AxonExntension of a nerve cell along which impulses are transmitted away from that cell.


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