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

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