Development of immune system is a function of Thymosins secreted by Thymus glands.
Melatonin, secreted from the Pineal gland maintains the normal rhythms of sleep-wake cycle.
Thyroid hormones
Play an important role in the regulation of the basal metabolic rate.
These hormones also support the process of red blood cell formation.
Thyroid hormones control the metabolism of carbohydrates, proteins and fats.
Calcitonin from thyroid glands regulate the blood calcium levels.
Maintenance of water and electrolyte balance is also influenced by thyroid hormones.