Â» Working with Us Â» Solar Energy Basics Solar Energy Basics Solar is the Latin word for sunâa powerful source of energy that can be used to heat, cool, and light our homes and businesses. That's because more energy from the sun falls on the earth in one hour than is used by everyone in the world in one year.
The parathyroid glands are four tiny glands, located in the neck, that control the body's calcium levels. Each gland is about the size of a grain of rice (weighs approximately 30 milligrams and is 3-4 millimeters in diameter).
1 Parathyroid hormone regulates the bodyâs calcium levels. 2  There are four parathyroid glands, and they are each about the size of a grain of rice. 3  Though theyâre located near each other, the parathyroid glands are not related to the thyroid gland.he thyroid gland regulates the bodyâs metabolism, while parathyroid glands regulate calcium levels and have no effect on metabolism. Parathyroid Hormone. Parathyroid hormone (PTH) has a very powerful influence on the cells of your bones by causing them to release their calcium into the bloodstream.