lab test 2. D

true ribs

1-7

floating ribs

11-12

false ribs

5 pairs

Thoracic vertebrae

Articulates with rib posteriorly.

Thoracic cage

Bony protection for thoracic organs.

Secondary curvatures

Cervical, lumbar.

intervertebral discs

Softens jolts to the vertebral column.

tubercle

a part of the rib that articulates with the body of the thoracic vertebrae.

head

a part of the rib that articulates with the transverse process of the thoracic vertebrae.

suprasternal notch

concave depression in superior surface of manubrium

vertebral column

encloses and protects the spinal cord.

atlas

first cervical vertebra

vertebral arch

formed by the fusion of pedicles and lamina

name the 3 bones of the sternum

manubrium, body, and xiphoid process

intervertebral foramina

opening for spinal nerve exit.

transverse foraman

passageway for vertebral arteries in cervical vertebrae.

axis

second cervical vertebra

name the 4 parts of the thoracic cage

sternum, ribs, costal cartilage, and thoracic vertebrae.

Coccyx

tailbone

axis

the odontoid process is part of which bone.

Primary curvatures

thoracic curves, sacral curves.