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Musculo Skeletal Handouts
1. COLLEGE OF NURSING – ARAULLO UNIVERSITY
ANATOMY – PHYSIOLOGY LECTURE HANDOUTS
THE MUSCULOSKELETAL SYSTEM – Muscles and Bones
SKELETAL SYSTEM
The bones is an osseous connective tissue
Functions: supporting framework for the body
Protects the viscera
Muscle attachments
Store minerals, Calcium salts – use to increase blood calcium when depleted
May have bone marrow BM – formation of blood cells (RBS, WBC, etc.) also aid in the
destruction of blood cells, and play important role in immune process
Bone Composition
Collagen – chief organic constituents, 2/3 is inorganic calcium (calcium phosphate and calcium
carbonate)
Factors involved in the metabolism of inorganic salts
1. Vitamin D – essential for absorption of this mineral, source: sunlight, liver oils, eggs, milk, butter
a fat soluble vitamin, action is dependent on the proper fat metabolism