Question

13/20 \hypoparathyroidism\ means: normal working of the parathyroid glands parathyroid cancer not enough hormone making by the parathyroid glands too much working of the parathyroid gland

Explanation:

Hypoparathyroidism is a condition where the parathyroid glands do not produce enough parathyroid hormone.

Answer:

not enough hormone making by the parathyroid glands