The thyroid gland.
Epinephrine
what is a system of glades that regulates metabolism reproduction and other functions
No. Your liver does not secretes any such hormone. Your thyroid does.
Excretory system is one of the main organ for haemostasis. It regulates the water balance, pH balance, salt balance. It regulates the blood pressure. It regulates the haemopoiesis. It produce active form of vitamin D. Vitamin D is responsible for calcium metabolism.
enzymes
Regulates metabolism and creates energy for food
It regulates the metabolism of sugar in the blood.
liver
Thyroid gland
The thyroid gland.
Epinephrine
The thyroid
Cortisol
operon
The body system that secretes hormones is the endocrine system. The organ of the endocrine system that aid in metabolism is the thyroid, which is located behind the trachea.
insulinis a hormone that regulates carbohydrate and fat metabolism in the body