Haemophiliacs have no factor 8 in their blood.
血友病患者的血液中缺乏凝血因子 VIII。
How does having more oxygen in their blood help them stay underwater longer?
血液中含有更多的氧气这一特点是如何帮助它们在水下待得更久的呢？
They also have a greater capacity than land animals to store oxygen in their blood.
它们在血液中储存氧气的能力也比陆栖动物强。
It's in their blood and under their skin.
它在他们的血液和在下他们的皮肤。
Many of Nick's family are actors or actresses. Acting is in their blood.
尼克有许多家人是演员或者是女演员，演戏是他们家传的天赋。
When they sink to extraordinary depths they rely oxygen stored in their blood and muscles.
当它们潜入特别深的地方时，就用储存在血液和肌肉中的氧气。
Like humans, dolphins need some sugar in their blood for their brains to function normally.
和人类一样，海豚的血液中需要有一定量的糖来维持大脑的正常功能。
This results in partial treatment and patients still have persistent parasites in their blood.
由于治疗不充分，患者血液内仍有残存的寄生虫。
As for patients with the dense bones mutation, they had low levels of serotonin in their blood.
至于这些有密集骨头突变的患者，他们血液中复合胺水平很低。
The doctors who ran the study tested 307 adolescents to discover how much vitamin D was in their blood.
有医生对307青少年做研究，测定他们的血液的维生素D含量。
And LDL cholesterol fat is the type of fat that one does not want to have too much of in their blood.
及低密度脂蛋白胆固醇，脂肪型肥胖，其中一个，不希望有太多的，在他们的血液。
This results in incomplete treatment, and such patients still have persistent parasites in their blood.
这可导致治疗不完整，且这类患者血液内仍会有残存的寄生虫。
Several studies show that people with higher levels of folate in their blood do better on cognitive tests.
一些研究表明，水平高的人群，其血液中叶酸做的更好的认知测试。
These people tended to have significantly higher levels of dissolved CO2 in their blood, as well as potassium.
研究人员发现，这些11个人的血液中有极大数量的溶解二氧化碳和钾。
Hormone treatments are appropriate for those who have too little testosterone or too much prolactin in their blood.
激素治疗是适当的为那些谁也太少，睾酮或太多催乳素在他们的血液。
Researchers at McNeese State University in Louisiana believe that proteins in their blood inhibit bacterial growth.
路易斯安那州麦克尼斯州立大学（McNeese State University）的研究人员相信短吻鳄血液中的蛋白质可以抑制细菌生长。
After exposure to mild forms of stress, such as loud noises, the hungry mice had higher levels of cortisol in their blood.
在暴露于轻度应激(比如强噪声)后，这些饥饿小鼠的血液中皮质醇水平升高了。
Research has shown that patients who have a low amount of C-reactive protein in their blood have lower levels of inflammation.
过去的研究已经显示，血液中c反应蛋白含量低的病人炎症程度低。
The new study found about 46 percent of nonsmokers had signs of nicotine in their blood in the tests done from 1999 through 2004.
新的研究发现自1999年至2004年所做的检查中大约有46%的非吸烟人群血液中含有尼古丁成分。
In fact, studies have shown that more than 95 percent of Americans older than 12 still have detectable levels of PCBs in their blood.
事实上，研究表明超过95%的12岁以上的美国人血液中仍然检测出含有多氯联苯。
Besides, the more often people endeavour to lose weight (once in several weeks), the fewer protective cells they have in their blood.
除此之外，越频繁尝试减肥的人(几星期一次)，血液中的白细胞越少。
The doctors couldn't understand why farmers would have lead in their blood, until Hao's mother, Wang Shuhong, told them about the factory.
直到周浩的母亲王淑冬告诉医生有关工厂的情况，医生们才理解为何农民的血液里会有铅。
Crabs are unable to process magnesium in their blood below a certain temperature, and the result is a narcotic effect on the crabs' movement.
蟹类无法在低于某一温度的情况下在血液中产生镁，镁的缺乏会导致蟹类的动作出现麻痹反应。
The frogs' resilience is linked to a shifting of water to areas less likely to be damaged by freezing, as well as natural "antifreeze" in their blood.
这种蛙类的回复机制是这样的：通过把水分转移到一些不会被冰冻伤害的部位，以达到一种“血液防冻剂”的目的。
This resistance is not the result of altered receptors, but comes from the ability of proteins in their blood serum to neutralize the effects of venom.
这种抗性并不是受体变化的结果，而是松鼠血清里蛋白质的作用，它们能抵消毒液的影响。
This resistance is not the result of altered receptors, but comes from the ability of proteins in their blood serum to neutralize the effects of venom.
这种抗性并不是受体变化的结果，而是松鼠血清里蛋白质的作用，它们能抵消毒液的影响。
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