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Why our nails turn blue during winter?

In Body Trivia
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Why our nails turn blue during winter?
View Answer
Nails turn blue in cold weather because our blood vessels constrict in response to a low temperature to minimize heat loss.
This results in less supply of RBC (which carry oxygen) and our blood appears blue. It is more apparent in nails due to their transparency.
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What is the type of vegetarian that excludes all kinds of meat but can eat eggs and dairy products?

In Food & Drink Trivia
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What is the type of vegetarian that excludes all kinds of meat but can eat eggs and dairy products?
View Answer
Lacto-Ovo vegetarian.
Vegan is the strictest type of vegetarian, he excludes all animal products, including eggs and dairy, from their diet. Lacto-Ovo vegetarian excludes all kinds of meat from their diet but eats eggs and dairy products. Lacto vegetarian excludes all meat and eggs but eats dairy products.
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