Bone tissue formation begins when osteoblasts secrete
A)protein fibers.
B)mesenchyme.
C)silica.
D)hydroxyapatite.
E)calcium.

Question

Quizplus · Accepted Answer

Bone tissue formation begins when osteoblasts secrete protein fibers, which form the organic matrix of bone. This matrix then mineralizes with hydroxyapatite and other minerals to form the hard, bone tissue. Mesenchyme is undifferentiated embryonic tissue that can give rise to multiple types of tissues, including bone, but it is not directly involved in bone tissue formation. Silica and calcium may be involved in bone metabolism, but they are not directly secreted by osteoblasts to initiate bone tissue formation.

Bone Tissue Formation Begins When Osteoblasts Secrete