Antioxidants. This group includes vitamin A -- retinol and carotenoids -- vitamin C, and vitamin E. They appear to play a role in protecting you from tiny particles your body makes, called free radicals, that can tear cells apart. Antioxidants may lower the risk of some health problems and slow aging.he vitamins you need are no exception. These essential nutrients play a role in all the basic jobs your body does every day, each one taking care of specific tasks. And the ones a pregnant woman needs are different than the ones women need after menopause and beyond.
Most cold deserts have very low atmospheric humidity year-round, which wicks moisture away from plants and animals. They tend to have shallow sandy, rocky or frozen soil that does not hold significant amounts of liquid water. Distance from moisture-laden coastal winds or proximity to tall, cloud-blocking mountains causes the low humidity. Cold desert plants and animals are physically and behaviorally adapted to conserve moisture. Temperate Regions. Temperate cold deserts include Asia's Gobi, North America's Great Basin and South America's Atacama deserts. They also cover much of Iran, Turkestan, southwestern Africa and western China. Their plants include grasses, sagebrush, aloes, cacti, lichens and drought-resistant shrubs and trees like greasewood, saxaul, pistachio, tamaruga and camel's thorn.
The desert botanical garden in Phoenix city of Arizona displays a large collection of beautiful arid-land plants. The 140 acre garden has more than 21000 desert plants from 139 different species. This garden is renowned for its collection of 169 rare species of desert plants.