Match the hormone with its primary function.
| Column I | Column II |
|---|---|
| (a) Insulin | (i) Increases blood calcium levels |
| (b) Glucagon | (ii) Stimulates ovulation |
| (c) Luteinising Hormone (LH) | (iii) Decreases blood glucose levels |
| (d) Parathyroid Hormone (PTH) | (iv) Increases blood glucose levels |