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5 Written questions

5 Matching questions

  1. Homeostasis
  2. Antifreeze
  3. Central nervous system
  4. Peripheral nervous system
  5. Transpiration
  1. a The part of the nervous system that is comprised of the brain and spinal cord.
  2. b Loss of water from the surfaces of a plant.
  3. c Sub-branch of the nervous system involving all nerves that lie outside the brain and spinal cord.
  4. d The maintentance of a relatively stable internal environment.
  5. e Compound that when added to a fluid loewrs the freezing point of the fluid.

5 Multiple choice questions

  1. Sytstem of ductuless glands that produce hormones which are released directly into the bloodstream.
  2. Part of the neuron that contains the nucleus. Also called the soma.
  3. The maintenance of constant internal salt and water concentrations in internal fluids.
  4. Nerve cells found within the CNS which communicate between affector and effector neurons.
  5. 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.

5 True/False questions

  1. HomeothermicOrganism that is able to maintain an internal body temperature within a narrow range. Endothermic.


  2. Effector neuronsNeurons that transmit information about changes in external or internal conditions to the central nervous system. Also called sensory neurons.


  3. KidneysExcretory organs involved in osmoregulation.


  4. Countercurrent exchangeArrangement 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. PoikilothermicOrganims whose body temperature varies with the external environment. Ectothermic.


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