1. Keeps the skins healthy 2. Enables us to see in dim light 3. Helps children to grow 4. Produces mucus for the mucus membranes in the body 5. Beta carotene is an antioxidant
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Deficiency of Vitamin A
Children don't grow properly The skin and mucus membranes become dry and infected Night blindness
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Excess of Vitamin A
Too much vitamin a can be toxic to the body May damage the development of an unborn baby
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Functions of Vitamin D
1. Enables the mineral calcium to be absorbed from the small intestine during digestion 2. Helps calcium to be deposited in the bones and teeth
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Deficiency of Vitamin D
Their bones and teeth in children will bend under the weight of the body (rickets) The bones may weaken in adults and break easily (osteomalacia)
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Excess of Vitamin D
Excess calcium will be absorbed which could lead to kidney damage and other organs
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Function of Vitamin E
1. An antioxidant
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Deficiency of Vitamin E
deficiency or excess is rare
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Function of Vitamin K
1. Part of the process that enables the blood to clot when the body is injured
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Deficiency of Vitamin K
New born babies are given a dose of vitamin K because they lose blood internally during childbirth.
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Other cards in this set
Card 2
Front
Deficiency of Vitamin A
Back
Children don't grow properly The skin and mucus membranes become dry and infected Night blindness
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