相反,当大气二氧化碳浓度低时,气孔密度似乎增加了——就像长出更多的嘴来呼吸。
Conversely, when atmospheric carbon dioxide is low, stomatal density tends to increase - it's like getting more mouths to breathe with.
没有产生代谢综合征的妇女一般腹部脂肪更少,“好”的高密度脂蛋白胆固醇浓度更高。 这种胆固醇与“坏”胆固醇不一样,是起保护作用的。
Women who did not develop metabolic syndrome typically had less belly fat and higher levels of "good" high density lipoprotein (HDL) cholesterol, which unlike "bad" cholesterol is protective.
硒还可以帮助降低低密度脂蛋白或者坏胆固醇浓度,并减低血栓和心脏病的发病率。
Selenium also helps lower LDL or "bad" cholesterol and reduces the incidence of blood clots and heart disease.
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