The dorsal (upper) surface of the bullfrog has an olive-green basal color, either plain or with a mottling and banding of grayish-brown. The ventral (under) surface is off-white blotched with yellow or gray. There is often a marked contrast in color between the green upper lip and the pale lower lip.
You can get the most Vitamin C from citrus fruits, red and green peppers, cauliflower and tomato. Vitamins B2, B5 and B12 are all essential for healthy skin and promoting skin cell growth. Another B Vitamin which is vital for hair and nail health is biotin.
In order to understand both how to keep your nails healthy and how they can act as an indicator of health problems, first you have to know that fingernails are made of layers of a protein called keratin. This protein is also found in your skin and hair [source: Mayo Clinic ]. But your nails are more than just keratin. Your nails comprise several different components: 1  The nail plate is the part of the nail that you can see. 2  The skin around your nails is referred to as nail folds. 3  The skin that is covered by your nail is known as a nail bed.