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