Here are some quick tips on how to distinguish classic crystal from plain glass. 1  Hold up a glass to the light. 2  If the glass acts as a prism and you see a rainbow you are holding crystal.
Growth is a very complex process, and requires the coordinated action of several hormones. The major role of growth hormone in stimulating body growth is to stimulate the liver and other tissues to secrete IGF-I. IGF-I stimulates proliferation of chondrocytes (cartilage cells), resulting in bone growth.
Thyroid hormones control metabolism, growth, body temperature, muscle strength, appetite, and the health of your heart, brain, kidneys, and reproductive system. Thyroid cells are the only cells in the body that absorb iodine.he thyroid responds to the levels of Thyroid Stimulating Hormone (TSH) secreted by the brainâs pituitary gland. As the TSH levels in the blood rise, the thyroid responds by making more hormone; as the levels drop, the thyroid is signaled to make less hormone. If your thyroid doesnât work properly â neither do you.