Lesson 4.2 Crossword
Across
1. | central, stable portion of the skeletal system, consisting of the skull, spinal column, and thoracic cage |
4. | jaw bone |
6. | two fused bones that form the upper jaw, house the upper teeth, and connect to all other bones of the face, with the exception of the mandible |
9. | five fused vertebrae that form the posterior of the pelvic girdle |
13. | the first 7 vertebrae, comprising the neck |
14. | 4 fused vertebrae at the base of the spine forming the tailbone |
15. | the 12 vertebrae in the middle of the back |
16. | bones of the face |
17. | breastbone |
Down
2. | the second cervical vertebra; specialized with an upward projection called the odontoid process, on which the atlas rotates |
3. | bony structure surrounding the heart and lungs in the thoracic cavity; composed of the ribs, sternum, and thoracic vertebrae |
5. | low back region of the spine composed of 5 vertebrae |
7. | the first cervical vertebra; specialized to provide the connection between the occipital bone of the skull and the spinal column |
8. | the part of the skeleton composed of all of the bones of the head |
10. | one of the bones making up the spinal column |
11. | openings in the infant skull through which the baby's pulse can be felt; these openings enable compression of the skull during birth and brain growth during late pregnancy and early infancy |
12. | joints in which irregularly grooved, articulating bone sheets join closely and are tightly connected by fibrous tissues |
13. | fused, flat bones surrounding the back of the head |