B8

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Across
  1. 5. Process releasing energy from food
  2. 7. Brain's interpretation of sensory information
  3. 8. Structure detecting stimuli
  4. 9. Sum of all body chemical reactions
  5. 11. Release of substances by cells or glands
  6. 13. Largest part of the brain
Down
  1. 1. Movement of blood through the body
  2. 2. Detection of environmental information
  3. 3. Removal of metabolic wastes
  4. 4. Brain region coordinating movement
  5. 6. Environmental change causing a response
  6. 8. Reaction to a stimulus
  7. 10. Breakdown of food into nutrients
  8. 12. Structure composed of multiple tissues
  9. 13. Basic unit of life