â¢ NAMIB DESERT (noun) The noun NAMIB DESERT has 1 sense: 1. a desert in Namibia extending along the coast between the high plateau and the Atlantic Ocean. Familiarity information: NAMIB DESERT used as a noun is very rare.
Beta-carotene is a precursor for vitamin A. The body needs to convert it to retinol or vitamin A for use. Beta-carotene is found naturally in mostly orange and dark green plant foods, such as carrots, sweet potatoes, mangos, and kale.itamin A is a family of fat-soluble compounds that play an important role in vision, bone growth, reproduction, cell division, and cell differentiation. Vitamin A is important for healthy bones. However, too much vitamin A has been linked to bone loss and an increase in the risk of hip fracture.
Although vitamin A's chief function involves the eyes and vision, it also plays important roles in the development of bones, including the teeth. In addition, vitamin A aids immune function and helps provide a barrier against infections of the skin, lungs and mouth.