Skeletal system Flashcards
What are the two types of bone marrow?
Red and Yellow bone marrow
What are the three types of cartilage?
Cartilage, Articular cartilage, Meniscus
What are the three types of joints?
Sutures, Symphysis, Synovial
How mamy bones does the human skeleton have in total?
206 bones
How many axial bones and appendicular bones does the human body have?
80 axial bones, 126 appendicular bones
Frontal bone
forms the forehead
Parietal bone
Forms most of the top and sides of skull
Occipital bone
forms back of skull
Temperal
forms sides and base of skull
Sphenoid bone
forms floor of skull and lower parts of eye socket
Ethmoid
Forms the nose, orbits of the eye sockets, and floor of skull
External auditory meatus
opening to the external ear in the temporal bone
Zygomatic
Cheek bones
Maxillary
upper jaw bone
Palantine
forms the roof of your mouth
Lacrimal
inner aspects of the eye (tear ducts and glands)
Vomer
forms base of nasal septum
Mandible
lower jaw and only moveable structure of the skull
Hyoid
U shaped/V shaped bone located in the soft tissue of the lower jaw
Thoracic cavity
Rib cage
Rib bones
12 pairs
7 “true” ribs attached to sternum
3 “false” ribs attached to sternum by cartilage
2 floating ribs
Sternum
breast bone, front portion of rib cage
Pectoral Girdle
shoulders