Skeletal System Flashcards
Limbs girldle
Appendicular skeleton
Head neck trunk
Axial skeleton
Sense outer layer of bone
Looks smooth and solid
Compact bone
Small needle like pieces of bone
Open spaces
Spongy bone
Cube shaped
Mostly spongy
Carpals tarsals patellar
Short bones
Thin flat
Usually curved
Thin layer of compact around spongy
Skull ribs sternum
Flat bones
Irregular shape
Hips vertebrae
Irregular bones
Longer than wide
Shady with heads on both ends
Mostly compact
Femur tibia humerus
Long bones
Primarily hyaline cartilage
Replaced by bone as develops
Embryo skeleton
Hollow portions of bones surrowding nasal cavity
Lighter skull resonance amplification of voice
Para nasal sinuses
Fonranelles fibrous soft connects cranial bones
Allows brain to grow
Allows head to travel through birth canal
Converts to bone within 24 months
Fetal skull
Forms cage to protect major organs
Sthym ribs thoracic vert
Bony thorax
Total weight of upper body rests on pelvis Hip bones Protects reproductive organs Bladder Large intestines
Pelvic girdle
Holds bones together
Allows for mobility
Joints
Break the doesn’t break through the skin
Simple fracture