AXIAL & APPENDICULAR SKELETON, JOINTS & MUSCLES Flashcards
The Skull Is divided into two parts
Cranium
Facial bones
Protects brain, eyes, ears, nasal cavity, and oral cavity
Attachment for muscles of chewing and turning the head
Skull
how many bones does the skull have
8 cranial bones
what are the 8 cranial bones
frontal 1
sphenoid 1
ethmoid 1
parietal 2
temporal 2
occipital 1
forehead
frontal
Upper sides and roof of skull
Parietal
Sides & base of skull
Temporal
Part of eye orbit, nose, & floor of skull
Ethmoid
Part of floor of skull
Sphenoid
Back & base of skull
Occipital
Facial Bones
Zygomatic
Maxilla
Mandible
Palatine
Lacrimal
Nasal
Cheek bones
Zygomatic
Upper jawbone
Maxilla
Lower jawbone
Mandible
Hard palate and floor of nose
Palatine
Inner corner of eye
Lacrimal
Part of nasal septum and bridge of nose
Nasal
Single U-SHAPED bone
In NECK between mandible and larynx
Attachment point for SWALLOWING and SPEECH MUSCLES
Hyoid Bone
Trunk Bones
Vertebral column
Sternum
Rib cage
five sections of The Vertebral Column
Cervical
Thoracic
Lumbar
Sacrum
Coccyx
Cervical
7 vertebrae of neck
Thoracic
12 vertebrae of chest
Lumbar
5 vertebrae of low back
Sacrum
5 fused vertebrae at base of spine
Coccyx
3–5 small vertebrae attached to sacrum
how many pairs of ribs
12
Attached to vertebral column at back
Provides SUPPORT for organs, such as HEART AND LUNGS
Rib Cage
10 pairs attached to sternum in front
True ribs
Inferior 2 pairs
No attachment in front
Floating ribs
Appendicular Skeleton Includes bones of:
Pectoral girdle
Upper extremity
Pelvic girdle
Lower extremity
Collarbone
clavicle
pelvis
pelvic girdle