chap 7 skeletal system

Question 1

axial skeleton total bones + regions

Answer 1

80 bones
skull, vertebral column

Question 2

functions of intervertebral discs

Answer 2

are there for support and help connect between vertebrae

Question 3

functions of axial skeleton

Answer 3

forms the longitudinal axis of the body supporting the head, neck and trunk, protects the brain/ spinal cord/ thoracic organs

Question 4

functions of cranial bones

Answer 4

enclose the brain in the cranial cavity and provides site of attachment for head and neck muscles

Question 5

5 sutures of the skull and their functions

Answer 5

coronal: between parietal bones and frontal
sagittal: between right and left parietal
lambdoid: between parietal bones and occipital
squamousL between parietal and temporal on each side of the skull
Functions: hold the bones of the skull together

Question 6

paranasal sinuses

Answer 6

lighten weight of the head and enhances resonance of the voice

Question 7

nasal cavity

Answer 7

divided into two section called nasal passages. Air moves through the passages and is filtered/ warmed

Question 8

zygomatic bone

Answer 8

the cheekbone

Question 9

hyoid bone

Answer 9

moveable base for the tongue

Question 10

vertebral column

Answer 10

7.16

Question 11

thoracic cage

Answer 11

7.23