1 Clean your brush and use clean water or a second color to paint inside the outline, being sure to blend with the outer color. 2  Leave the middle white. 3  For a dark center, paint it in once the flower has dried.  For a light center, paint it while the flower is still wet to blend.
Vitamin A is a group of unsaturated nutritional organic compounds that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids (most notably beta-carotene). Vitamin A has multiple functions: it is important for growth and development, for the maintenance of the immune system and good vision.
Vitamin A is an essential nutrient, which means that our bodies cannot create it and we must obtain it from our diets or supplements. Vitamin A is perhaps most well-known for its importance to our vision, but is also vital to other body systems and functions. Function of Vitamin A The cells in our eyes that perceive light and color require vitamin A to function properly.