Answer:
Answer:
Vitamin A- protects against night blindness. 
Vitamin D- provides protection against rickets. 
Vitamin E- maintains healthy skin. 
Vitamin K- improves blood clotting. 
Step-by-step explanation:
Vitamins are organic molecules, which are essential for proper functioning of body metabolism. 
Vitamin A is important for good vision, growth and development, and for healthy immune system. Vitamin A deficiency leads to impaired vision, known as night blindness. 
Vitamin E acts as an antioxidant that provides protection to skin by free radicals. It nourishes the skin and and maintains a healthy skin. 
Vitamin D plays an important role in regulating calcium level and metabolism in body. So, vitamin D deficiency leads to rickets (impaired bone metabolism in children). 
Vitamin K is important for synthesis of various blood-coagulating proteins, required for blood clotting.