Which of the following is secreted by osteoclasts to assist bone resorption:

Flat bones (e.g., cranial bones) contain spongy bone:

The _________ is responsible for breaking down bone ECM.

Red hair color reflects the presence of:

Calcium-binding proteins in osteoid serve to ______ calcium.

The function of osteocalcin relates to: 

Hematopoietic stem cells are located in:

________ is a disease typically affecting the elderly, characterized by brittle bones riddled with small holes/cavities.

In a normal, healthy adult, the body’s blood supply is produced in the:

Growth of cartilage that occurs along the edges/surfaces is called: