Which one of the following minerals is essential for building strong bones?

a. iron
b. magnesium
c. phosphorus
d. potassium

Match each disease with the body system it affects

What is the style of discipline in which the teacher or parent establishes rules, monitors the child's behavior, then enforced rules by administering appropriate punishment

What disease is characterized by the unrestricted growth of abnormal cells on or in the tissues of the body? a) protozoan infection. b) cancer c) diabetes. d) coronary heart disease