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Across 2. The type of muscle found in the heart 4. Upper arm bone 8. The growth plate is also called the _ _ _ _ _ _ _ _ _ _ plate 9. Red marrow creates all _ _ _ _ _ cells 11. Name of partial muscle contraction for posture 12. These cells destroy bone 13. Means "little bone". There are 3 in each ear. 15. Bones of the spinal column 16. A muscle cell is also called a _ _ _ _ _ _ _ _ 18. Shoulder blade 19. The type of muscle found attached to the skeleton 21. The force that makes apples fall and causes muscles to need to work harder 23. Muscles are specialised for contraction 28. Also known as the breastbone. Attached to the ribs. 29. Disease of thinning, fragile bone often seen in older age 30. Kneecap 35. This mineral allows the muscle cell to contract 37. Triangular bone at the base of the spine 40. The lateral part of the skeleton is the _ _ _ _ _ _ _ _ _ _ _ _ skeleton 41. The central part of the skeleton is the _ _ _ _ _ skeleton 42. This female hormone keeps bones dense 43. Damage to tendons and/or muscle

Down 1. Means "bone" 3. Bone building is also called bone _ _ _ _ _ _ _ _ _ _ 5. Means "muscle" 6. Joints are lubricated by a fluid known as _ _ _ _ _ _ _ _ fluid 7. This type of marrow stores energy as fat 10. These cells build bone 14. This type of bone is hard and tough 17. The type of muscle found in organs and blood vessels 20. This type of bone contains red marrow 22. Disease caused by lack of Vitamin D 24. The heart beats without nerve stimulation. This is called _ _ _ _ _ _ _ _ _ _ _ _ 25. Cranial bone 26. The part of the spine at the chest level 27. The structural unit of a bone 31. Bone destruction is also called bone _ _ _ _ _ _ _ _ _ _ 32. Finger and toe bones 33. Found on the end of bones to reduce friction 34. Thigh bone 36. The part of the spine at the lower back level 37. Damage to ligaments 38. Cage-like bones that protect the lungs and heart 39. The mandible is also known as the _ _ _