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.
Discuss the advantages and disadvantages of cell specialization. Cell specialization, or rather, cell differentiation, is the process by which unspecialized structures become modified and specialized for the performance of specific functions. This process usually occurs in multicellular organisms, which consist of many groups of specialized cells making up their tissues and organs.