A joint is the part of the body where two or more bones meet to allow movement.
E.g. Pivot joint, hinge joint etc.
(a) What is meant by a solution ? Give two examples of solutions.
(b) What is suspension ? Give two examples of suspensions.
(c) What is a colloid ? Give two examples of colloids (or colloidal solutions).
(a) What is a physical change ? Give two examples of physical changes.
(b) What is chemical change ? Give two examples of chemical changes.