Review Part 1

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Across
  1. 1. Organelles responsible for substance transport
  2. 3. Medial bone of lower leg; weight-bearing
  3. 7. Cell distribution center
  4. 10. Changing the number of neutrons results in this
  5. 11. The elbow or the knee
  6. 12. The cell membrane is composed of 2 _________ layers
  7. 15. In yoga, the downward dog position requires primarily this type of muscle contraction
  8. 17. Neurotransmitter for skeletal muscle contraction
  9. 20. Chemical signal
  10. 23. A characteristic of living things; relates to the ability to adjust
  11. 25. Uppermost part of sternum
  12. 27. Voluntary, striated muscle tissue that fatigues
Down
  1. 2. Type of tissue that covers body surfaces, lines cavities, & forms glands
  2. 4. Most bones form by this process
  3. 5. Portion of bone where longitudinal growth occurs
  4. 6. Most powerful type of muscle contraction
  5. 8. Fixed joint allowing no movement; sutures are an example
  6. 9. Electrons in outer shell of sodium atom
  7. 13. Tough, fibrous membrane the covers most of long bone
  8. 14. Energy currency
  9. 16. Do not change length during skeletal muscle contraction
  10. 18. “out of a cell” ; method for bulk expulsion of substances
  11. 19. Muscle fibers optimized for aerobic metabolism
  12. 21. Joint with space; most joints in the limbs are this type
  13. 22. Number of cervical vertebra
  14. 24. Unnatural or premature cell death
  15. 26. A neuron can have many dendrites but only one of this