Across
- 1. the advancement of this type of animal protein has helped regrow human skeletal muscle
- 4. this must be shed in order for growth to occur
- 5. the two main sections of the skeleton are appendicular and _______
- 8. this provides protection for soft tissues
- 9. this is where the exoskeleton is placed on an animal
- 11. the three main types of skeletons are endoskeleton, exoskeleton, and __________
- 13. this system is related to the skeletal system
Down
- 1. there are three types of joints: hinge,_______, and ball-and-socket
- 2. there are 206 of these in the human body
- 3. bones are made up of collagen and ________
- 4. bones that are buried withing the soft tissues of an organism
- 6. the three main functions of a skeleton are support, protection, and _________
- 7. this type of joint restricts movement to a single plane
- 10. this is one main problem with the skeletal system
- 12. this is the largest bone in the body