Test # 44
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1450 questions in 145 tests. Each test contains 10 questions.
Idiom of the Day
guard against (someone or something)
to take care to avoid someone or something
When we go to the beach we must guard against the hot sun.
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Benefits of Lactuca
This type of lettuce has large leaves that are arranged loosely and are easily separated from its stem. It has a softer texture with a sweet flavor compared to its other cousins. It is a rich source of vitamin K. Vitamin K has a potential role in the bone metabolism where it thought to increase bone mass by promoting osteotrophic activity inside the bone cells. It also has established role in Alzheimers disease patients by limiting neuronal damage in the brain.