What is the function of osteoclasts?Multiple choice question.To act as stem cells from which new bone cells originate.To form and deposit cartilaginous models of endochondral bones.To break down the calcified matrix of bonesTo form and deposit new bone.

What are osteoclasts?Multiple ChoiceMature bone cells that maintain the matrixImmature bone cells that give rise to osteocytesBone cells that break down bone matrixBone cells that secrete bone matrix

Understand and compare structure and function as well as identify bone cells – osteoblasts, osteocytes and osteoclasts.

What are the functions of bone?Multiple select question.It supports and protects body structures.It stores and releases inorganic chemicals such as calcium and phosphorus.It stores and releases hydrogen to maintain blood pH.It provides attachment for muscles.It forms blood cells in the bone marrow.

Fill in the Blank QuestionFill in the blank question.In addition to providing support, movement, and protection, bones also function in the formation of cells and the storage of minerals.

2- The osteoclast: A. Is a bone-forming cell. B. Is a polarized epithelial cell. C. Is a multinucleated cell. D. Contains alkaline phosphatase. E. Is rich in lysosomes. F. Is a cell of mesenchymal origin. G. Is a fixed cell H. Is rich in lipid vacuoles I. Is an osteoresorbing cell J. Contains several lipid enclaves. K. Contains carbonic anhydrase. L. Has no action on bone remodeling. M. Has intermediate filaments of the cytokeratin type