Zusammenfassung der Ressource
Functions of Bone
- supports and protects organs
- cranial and thoracic cavity (brain and lungs)
- bones of limbs help support weight
- allows for attachment points for muscles (for movement)
- constantly broken down and reformed
- bone remodeling
- keeps bone tissue strong
- formation of blood cells (red, white, platelets)
- called hematopoiesis
- occurs in red bone marrow (also in liver and spleen)
- red due to the presence of hemoglobin (pigment that carries oxygen)
- storage of energy
- yellow bone marrow stores lipid fats
- replaces red bone marrow as children age
- storage of inorganic salts
- mainly Ca & P
- maintain metabolic functions
- muscle contractions and action potentials