how does the human heart just do that? the human heart is really pretty amazing. it does a lotta things. it pumps 100,000 times a day. it pumps 2,000 gallons of blood through nearly 60,000 miles of blood vessels. it's got these blood vessels that are going into it and coming out...
human history. for most of our ancestors, life was hard, often nasty, and very short. there was high fertility in most places, but this was usually balanced by high mortality. for most of human history, it was seldomthe case that one in ten persons would live past forty, where infancy...
a人类生活 Human life[translate] aComplete removal 完成撤除[translate] aeasy with 容易与 [translate] a控制开关:前面板左边有一个六位的DIP开关SW1,从左到右分别用S1-S6来表示; Controlling switch: Left side of the front panel has six DIP switch SW1, from left to right uses S1-S6 to express...
The answers to the questionsabout our bodies体秘密The human body is a machine that can raise lots of interesting questions.Why, for example, are yawns contagious? What's up with ice-cream headaches?Here are answers to these and other questions about our bodies.Why do I get a headache when...
The human body is a machine that can raise lots of interesting questions. Why, for example, are yawns(呵欠) contagious(传染的)? What's up with ice-cream headaches?Here are answers to these and other questions about our bodies.Why do I get a headache when I eat ice-cream too quickly?
aNow you possibly did not know I have care about you 现在您可能不知道我有关心关于您[translate] aWords fail me when I try to express my heartfelt gratitude to the help you tenderd me.your prompt and favorable attention to my inquiry would be highly appreciated. 词发生故障我,当我设法表达我...
What happens to the food I eat? Why am I different from everyone else on Earth? All children want to understand how their body works, and this lively illustrated book explains it all, from what DNA is to how their heart pumps blood....
a我是湖南的,现在在福建上班 They like being able to give the human who they the fish eat[translate] aget on back 得到在后面[translate] asawsee sawsee[translate] ait is easier about them to be happy 秘密[translate] a善于分析听取别人的的好的意见 Is good at analyzes listens to others good...
E Answer the questions(根据短文内容,回答下列问题)These days, people with serious heart problems can have a heart transplant-in other words,another heart is put into their body to replace the heart with problems.Christiaan Barnard was the surgeon(外科医生) who performed the first human heart tran...
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