Effects of PTH and calcitonin

This video carries complete informaton about the production and effects of PTH and calcitonin hormones. It also explains the primary stimulation that is required to continue the pathway. timeline: 0:07 introduction 1:05 type of cells (parathyroid glands) 4:00 PTH release (low calcium) 7:00 calcitonin release (high calcium) 11:00 effects of PTH (mechanism) 28:50 effect of calcitonin (mechanism)