bones...

[[Notes section:[[

  • bones are organs and help with framework, protection, levers, production of blood cells, and storage
  • adult human has 206 bones

axial skeleton: skull, spinal column, ribs, and breastbone

  • @@cranium is a spherical structure that surrounds and protects the brain (made of 8 bones)@@
  • @@fontanels- allow for the enlargement of the skill as brain growth occurs; made of cartilage@@
  • @@14 facial bones@@
  • @@sutures: areas where cranial bones have joined together@@
  • @@sinuses: air spaces in the bones of the skill that act as resonating chambers for the voice@@
  • @@Foramina: openings in bones that allow nerves and blood vessels to enter or leave the bone@@
  • vertebrae- 26 bones that protect the spinal cord and provide support for the head and trunk

appendicular skeleton: shoulder girdle, arm bones, pelvic girdle, and leg bones

cranium- head

mandible- jaw

clavicle- top shoulder bridge

scapula- connects rib cage to arm and clavicle

humerus- upper arm bone

radius- part of the forearm away from the body

ulna- part of the forearm closest to the body

carpus- palm of hand

metacarpus- connect fingers to palm

phalanges- tips of fingers

-- pelvis- hip

femur- thigh bone

patella- inside of kneecap

tibia- main shin bone

fibula- connective part to the shin

tarsus- ankle

metatarsus- connects toes to ankle