Science In Practice - Nervous System

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Across
  1. 3. a statement that predicts the relationship between the variables testsed
  2. 5. this part of the brain regulates breathing and heart activity
  3. 7. these are worn to protect your eyes
  4. 10. this type of neuron is not connected to muscles but instead to sense organs to receive sensory information
  5. 12. something that has the potential to do harm
  6. 14. how close a measurement is to the true or acceptable value
  7. 16. a personal story used as proof which is not sufficient as evidence
  8. 17. this three letter acronym refers to the document that lists a chemical's dangers and first aid procedures
  9. 18. this part of the brain controls posture, balance and the fine coordination of voluntary muscles
Down
  1. 1. this type of action occurs with conscious thought
  2. 2. this part of the nervous system only contains two parts: the brain and the spinal cord
  3. 4. this part of the nervous system moves throughout the body and includes all nerves
  4. 6. this type of involuntary action happens near-instantaneously to prevent damage to the body
  5. 8. this carries instructions to the body and makes decisions to prevent harm as part of a reflex
  6. 9. this word describes chemicals that burns skin and eats through materials
  7. 11. the extent to which repeated observations and/or measurements taken under identical circumstances yield similar results
  8. 13. this type of neuron is in the spinal cord and connects the other two types of neuron
  9. 15. this part of the brain interprets stimuli from senses, makes decisions and controls voluntary muscle contraction