skeletal system Flashcards
types of bones: length > width
long bone
types of bones: long diaphysis, 2 epiphyses
long bone
types of bones: job is support weight and enable movement
long bone
types of bones: curved to increase shatter resistance
long bones
types of bones: hollow medullary cavity on insides
long bones
types of bones: roughly cube shaped
short bones
types of bones: usually sit together with other short bones in a group
short bones
types of bones: job provide stability to joints that bear weight
short bones
types of bones: have complicated shapes and don’t fit in any other category
irregular bones
types of bones: thin, flat, and usually a bit curved
flat bones
types of bones: job is to protect internal organs
flat bones
types of bones: provide a great place for muscles to attach
flat bones
types of bones: short bones that are buried within tendons
sesamoid bones
types of bones: job is to protect tendons that run over joints from stress and wear
sesamoid bones
cranial bones: front wall of cranium, forms the forehead
frontal bone
cranial bones: bottom and side walls of cranium (pair)
temporal bones
cranial bones: top and side walls of cranium (pair)
parietal bones
cranial bones: back and bottom walls of cranium
occipital bone
cranial bones: found deep in the cranium, makes up much of the nasal cavity
ethmoid bone
cranial bones: found deep in the cranium, behind the eye sockets, shaped like a butterfly
sphenoid bone
how many bones make up the vertebral column?
26 bones
what are the functions of the vertebral column?
supports the upper body
protects spinal cord
provides points of attachment
why is the vertebral column curved?
to distribute pressure access the entire spine
how many bones make up the cervical vertebrae?
7 bones
