Musculoskeletal System Flashcards
Name the 5 functions of the skeletal system.
- structure
- movement
- protection
- blood cell production
- storage site
What is the name of blood cell production?
Hematopoiesis
he-mah-toe-poi-ee-suhs
What are the divisions of the skeletal system?
Axial skeleton & Appendicular skeleton
What parts of the body make up the axial skeleton?
- cranium
- ribcage
- spine
What parts of the body make up the appendicular skeleton?
- girdle bones (pelvis, scapulae)
- limbs (arms & legs)
What are the 5 bone classifications?
- Long Bone
- Short Bone
- Flat Bone
- Irregular Bone
- Sesamoid Bone
What classifies as a Long Bone?
Bones that are long and skinny with joints at each end
What classifies as a Short Bone?
Small and cube-like in shape, used for stability and small movements
What classifies as a Flat Bone?
Flat bones at attachment sites
What classifies as an Irregular Bone?
funky shaped bones, used for protection
What classifies as a Sesamoid Bone?
the patella - protection
name the 3 parts of bone
- bone membrane
- bone tissue
- bone marrow
what is a bone membrane
- perisoteum (exterior)
- endosteum (interior)
what is bone tissue?
compact and spongey in appearance, made of collagen protein.
what is bone marrow?
- red: produce red blood cells (at end of the bone)
- yellow: stores fat
