Exam 2 Lecture Flashcards
1
Q
Identify the function of the skeletal system
A
Support- framework
Protection
Anchorage
Mineral storage- ca2+, phosphate
Energy storage- yellow BM=fat
Blood cell production- hematopoiesis - RBM
2
Q
Inorganic components of bone matrix
A
2/3rds of bone mass is calcium phosphate Ca3(PO4)2, matrix mineral (salts), also includes calcium salts and ions such as fluoride and magnesium
Function = strength, resists compressions
3
Q
Organic components of bin matrix
A
Proteins,
1/3 of protein mass is protein/ Collagen fibers,
Ground substance
Function= gives flexibility withstands twisting
