Match the following.
\[ \begin{array}{|c|l|c|l|} \hline \text{Hormone} & & \text{Endocrine gland} & \\ \hline \text{A} & \text{Vasopressin} & \text{I} & \text{Duodenum} \\ \hline \text{B} & \text{Aldosterone} & \text{II} & \text{Pituitary gland} \\ \hline \text{C} & \text{Secretin} & \text{III} & \text{Adrenal gland} \\ \hline \text{D} & \text{Calcitonin} & \text{IV} & \text{Thyroid gland} \\ \hline & & \text{V} & \text{Thymus gland} \\ \hline \end{array} \]
