1 Drowning can occur in as little as 20 seconds. 2  Don't put your life at risk trying to save your child. 3  If you must enter the water to perform a rescue, bring a flotation device with you. 4  If your child is unconscious and not breathing, call 911 right away.
This vitamin plays an essential role in vision, particularly night vision, normal bone and tooth development, reproduction, and the health of skin and mucous membranes (the mucus-secreting layer that lines body regions such as the respiratory tract).
vitamin A. A vitamin important for normal vision, tissue growth, and healthy skin. It is found in fish-liver oils, milk, green leafy vegetables, and yellow vegetables and fruits.Also called retinol.. vitamin A-any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes. antiophthalmic factor, axerophthol, A. fat-soluble vitamin-any vitamin that is soluble in fats.