When Ca²⁺ concentration in the blood becomes lower than normal, __________.

At her annual checkup, the doctor tells Pilar that she should add leafy greens like spinach and collard greens to her diet to help keep her bones strong. What vitamin or mineral in the vegetables would contribute to bone strength?

If the hydroxyapatites were replaced with more typical gel-like extracellular matrix, how would you expect the bones to be affected?

Mark the following statements about bone tissue as true or false. If a statement is false, correct it to make a true statement.

a. The primary mineral in the inorganic matrix is hydroxyapatite.