Hydroxyapatite is the major component of bone that contributes to its hardness.
Child proof means that its child-approved, meaning that its made safe for children.
Answer:
glucagon
Explanation:
Glucagon is a hormone that is involved in controlling blood sugar (glucose) levels. It is produced by the alpha cells, found in the islets of Langerhans, in the pancreas, from where it is released into the bloodstream.
