Skeletal and Muscle

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Across
  1. 3. when stimulated by nerves, able to contract (short and thick)
  2. 7. Where red blood cells are formed in adults
  3. 9. sudden, involuntary contractions or spasms in one or more of your muscles
  4. 12. located on the back, of the human, usually referred to as a shoulderblade
  5. 14. the largest bone in the upper arm
  6. 16. shoulder, abducts arm
  7. 21. upper chest adducts and flexes arm
  8. 22. dense bone made of osteons that house osteocytes in a lacuna. Found along the diaphysis of long bone
  9. 23. spine around to chest, extends and adducts upper arm
  10. 24. To break a bone
  11. 26. a bone located on the inside of the shoulder, usually called a collarbone
  12. 27. connect muscles to bone
  13. 29. ability to be stretched
  14. 31. back of thigh flexes leg
Down
  1. 1. bone Located inside compact bones at widened ends of long bones, has spaces in matrix so it looks like a sponge, still rigid, adaptation- to make bones lighter in weight
  2. 2. forms the wall of the heart and contracts to circulate blood, involuntary
  3. 4. upper arm, flexes lower arm
  4. 5. front of thigh, extends leg
  5. 6. upper arm, extends lower arm
  6. 8. forms the walls of the internal muscles, involuntary
  7. 10. bone Hard, dense bone tissue
  8. 11. buttocks, extends and laterally rotates the thigh, assists with abduction
  9. 13. shrink in size and lose strength
  10. 15. allows muscles to return to its original shape
  11. 17. attachments for the body, attach to bones, voluntary
  12. 18. Formation of bone
  13. 19. located in the middle chest area protect your internal organs
  14. 20. muscles you contract when you want to move
  15. 25. located on the back and supports the body, usually called the spine
  16. 28. the largest bone in the upper leg
  17. 30. contract automatically (stomach, heart, etc.)