bones Flashcards
what bones protect vital organs
Skull-brain Ribs-Heart, lungs
bones connect to bones with
ligaments
bones connect to muscles with
tendons
bones store what minerals
calcium and phosphorus
how many bones are in an adult
206
babies have how many
~300
when bones fuse it is called
ossification
long bones are what and what is a long bone
longer than wide - ex. femur
short bones are what and what is a short bone
short bones equal in with and length- ex. carpals
flat bones are what and what is a flat bone
thin but large surface area for muscle protection- ex. skull, scapula
irregular bones are what and what is an irregular bone
complex shapes- ex. vertebral column
sesamoid bones are what and what is a sesamoid bone
develop in tendons where there is a lot of friction- ex. knee cap
what are the 3 major joints and what do they do
fibrous do not move- ex. skull - cartilaginous partial move- ex. spine - synovial freely move- ex. hip
ribs 1-7 are
true ribs
ribs 8-10 are
false ribs
ribs 11 and 12 are
floating ribs
cervicals are and how many
neck vertebrae there are 7
thoracic are and how many
mid back connected to ribs there are 12
lumbar are and how many
low back there are 5
sacrum is and how many
they are fused and there are 5
coccyx are and how many
4 they are fused
what is the spinal cord
a trunk of veins that run through the whole body
what do the vertebral disks do
absorb shock
osteopenia
bones become soft and less dense
osteoporosis
bones become less dense and increase the chance of fractures
scoliosis
the back si shifted left or right
