WHAT'S INCLUDED:Info Cards: Endocrine Hormones & their FunctionsTHYROXINE (T4), produced by the thyroid gland, regulates metabolism, energy levels, and growth.TRIIODOTHYRONINE (T3), also from the thyroid gland, works alongside T4 to regulate metabolism and energy.CALCITONIN, released by the thyroid gland, helps lower blood calcium levels.PARATHYROID HORMONE (PTH), from the parathyroid glands, increases blood calcium levels.MELATONIN, produced by the pineal gland, regulates the body’s sleep-wake