Zusammenfassung der Ressource
Skeletal System
- Functions
- 1. Support
- Provides framework for the body.
- 2. Protection
- Of vital organs
- 3. Movement
- Muscles pull on bones to
create movement, bones
provide an attachment for
muscles/
- 4. Mineral Storage
- Calcium and phosphorus
- 5. Blood cell production
- Red bone marrow
(spongy bone)
produce red blood
cells
- Two Conjoined skeletons
- Axial
- Cranium, Vertebrae, Ribs,
Sternum, Mandible, Maxilla
- Appendicular
- Scapula, Clavicle, Humerus, Radius, Ulna, Carpals,
Metacarpals, Phalanges, Pelvis, Femur, Tibia,
Fibular, Tarsals
- Classification of bones
- 1. Long Bone
- Longer than they are wider,
normally cylinder shape, major role
in movement. E.g. Radius, Tibia. etc.
- 2. Short Bone
- Cubical shape. E.g.
Carpals, tarsals
- 3. Flat Bone
- Major role in
protection. E.g.
ribs, sternum,
cranium
- Irregular Bone
- Any bones that dont fit
into other categories
E.g. Manable, Pelvis
- Sesamoid bone
- Engulfed in tendon
E.g. Patella, Pisiform