Name:
Date:

Science Crossword

Across

  1. lifting your chest muscles
  2. a bundle of nerve fibers
  3. A neuron that picks up stimuli from the internal or external environment and converts each stimulus into a nerve impulse
  4. The mass of nerve tissue that is the main control center of the nervous system
  5. coordinates voluntary movement and balance
  6. half, partly
  7. connects the brain and spinal cord
  8. throat
  9. tiny sacs of lung tissue specialized for the movement of gases between air and blood
  10. A chemical that comes from the breakdown of proteins
  11. Fluid wastes removed from the body by the kidneys

Down

  1. the message carried by a neuron
  2. a neuron that carries nerve impulses from one neuron to another
  3. area of the brain responsible for all voluntary activities of the body
  4. between, among
  5. a signal to which an organism responds
  6. the basic building block of the nervous system
  7. branchlike parts of a neuron that are specialized to receive information
  8. a threadlike extension of a neuron that carries nerve impulses away from the cell body
  9. a neuron that sends an impulse to a muscle or gland, causing the muscle or gland to react
  10. done without will or conscious control
  11. eyes, ears, nose, skin, taste buds
  12. willing
  13. a reaction to a stimulus
  14. gap between neurons
  15. rapid, automatic response to a stimulus
  16. occurs when the soft tissue of the brain is bruised as it collides against the skull
  17. voice box
  18. a tiny filtering factory that removes wastes from blood and produces urine
  19. windpipe
  20. Main organs of the respiratory system

Key

For more free tools visit http://edtools.mankindforward.com

Across

  1. contractingwhenyoubreath
  2. nerve
  3. sensoryneuron
  4. brain
  5. cerebellum
  6. semi
  7. brainstem
  8. pharynx
  9. alveoli
  10. urea
  11. urine

Down

  1. nerveimpulse
  2. interneuron
  3. cerebrum
  4. inter
  5. stimulus
  6. neurons
  7. dendrite
  8. axon
  9. motorneuron
  10. involuntary
  11. senseorgans
  12. voluntary
  13. response
  14. synapse
  15. reflex
  16. concussion
  17. larynx
  18. nephron
  19. trachea
  20. lungs