Prevention of kidney stones may include a combination of lifestyle changes and medications. Lifestyle changes. You may reduce your risk of kidney stones if you: Drink water throughout the day. For people with a history of kidney stones, doctors usually recommend passing about 2.6 quarts (2.5 liters) of urine a day.
Melanin is the pigment that gives your skin its color, and it is produced in specialized skin cells called melanocytes. The darker your skin is, the more melanin these cells produce. They can be found deep in the epidermis, close to the basement membrane.
An organelle is a specialized part of the cell that serves a specific purpose within the cell. There are many organelles present within a cell and they also vary depending on what kind of cell we are talking about, whether it be a plant or animal cell.