Anatomy

1. synovial joint shock absorbers
5. the olecranon fossa receives the ulnar process when the elbow _______
6. the skeletal system ________ the brain, heart, spinal cord, and all other organs
17. contains mitochondria and acetylcholine-containing vesicles
18. a __________________ could be a fly landing on your arm
19. this type of muscle is a hybrid of smooth and skeletal muscle
20. the ____________ skeleton is more likely to
21. this protein abundant in bones provides strength and resilience
22. the gray, outer layer of the wire visual aid
23. troponin and tropomyosin make up this thin filament
24. the __________ break down the calcified matrix of bones
25. vesicles release this and cause the buildup of calcium ions
26. the process of blood cell formation

2. the location of the synapse where acetylcholine is released into the synaptic cleft
3. an example of a ______ joint is where the humerus and ulna articulate
4. ______ bones typically attach to a ligament or tendon
7. without the _________, shoulder movements and maintaining posture would be impossible
8. this ion is vital in muscle contractions (think milk!)
9. band of cartilage remaining between first and second ossification centers
10. the __________ skeleton is more active in body movements than the axial skeleton
11. the wearing down of _______________________ can eventually cause osteoarthritis
12. the feature of myosin and actin that differentiate skeletal from smooth muscle
13. the ________ of the axis projects into the atlas
14. lacunae house the mature ___________ and form circles around central canals
15. the __________ are flat and protective, and most likely to tell the truth
16. cervical vertebrae contain transverse ________, which distinguishes them from typical vertebrae