The Circulatory System

The Circulatory System pdf epub mobi txt 电子书 下载 2026

出版者:Greenwood Pub Group
作者:Mertz, Leslie
出品人:
页数:248
译者:
出版时间:2004-8
价格:$ 81.30
装帧:HRD
isbn号码:9780313324017
丛书系列:
图书标签:
  • GW
  • 循环系统
  • 人体
  • 解剖学
  • 生理学
  • 健康
  • 医学
  • 生物学
  • 科学
  • 教育
  • 图解
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具体描述

This volume of the "Encyclopedia of the Human Body" discusses the parts of the circulatory system and how they work together to deliver nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen and remove waste materials and carbon dioxide. Blood pressure, blood type, and fetal circulation are covered. The history of research on the circulatory system is presented, and the future of research in this field is considered. Current controversies and dilemmas, such as stem cell research, are explored. Circulatory system diseases and disorders, symptoms, and treatments are explored, including anemia, leukemia, and heart murmurs. This reference concludes with a comprehensive glossary, and resources for further information including Web sites and contact information for organizations and national health institutions. Beginning with an overview of the circulatory system, this volume of the "Encyclopedia of the Human Body" discusses the parts of this system and how they work together to deliver nourishment, electrolytes, hormones, vitamins, antibodies, and heat and oxygen and remove waste materials and carbon dioxide. Blood pressure, blood type and fetal circulation are covered. The history of research on the circulatory system is presented and the future of research in this field is considered. Current controversies and dilemmas, such as stem cell research, are explored. Circulatory system diseases and disorders, symptoms and treatments are explored, including anemia, leukemia, and heart murmurs. This reference concludes with a comprehensive glossary, and resources for further information including Web sites and contact information for organizations and national health institutions. The "Encyclopedia of the Human Body" provides a complete, comprehensive reference source for students interested in the human body. Each book in this ten-volume set introduces and describes a specific body system, including the parts and function of each system, the history of discovery, related diseases and treatments, as well as future advances in research. Detailed illustrations and diagrams, including an eight-page color insert, provide a visual reference for written material.

《星际拓荒者:失落文明的回响》 内容简介 在广袤无垠的宇宙深处,星系间的距离不再是阻碍,而是横亘在文明面前的无尽挑战。本书带领读者深入探索一个失落已久的星际帝国——“奥林匹斯联邦”的兴衰史诗。这个曾经统治了数千个星系的超级文明,在一夜之间销声匿迹,只留下了漂浮在黑暗虚空中的宏伟遗迹和无数令人费解的科技碎片。 故事的主角是艾拉·凡纳,一位以修复古代星际导航系统为生的“拾荒者”。她并非传统的考古学家,而是一个在废弃空间站和行星残骸中摸爬滚打的实干家。艾拉对奥林匹斯联邦的兴趣,源于一次偶然的发现:她在距离银河系核心数万光年外的一颗冰封卫星上,找到了一个保存完好的“记忆核心”。这个核心内存储的并非简单的历史记录,而是一个复杂到近乎有生命的数字实体——一个自称为“先知”的人工智能的残余意识。 “先知”的苏醒,为艾拉揭示了一个关于奥林匹斯联邦覆灭的惊人真相。这个文明并非毁于外部战争或资源枯竭,而是源于一次极其危险的内部技术实验——“意识锚定计划”。该计划旨在将整个联邦的集体意识上传至一个超维度的数据空间,以求获得永恒的生命和知识。然而,实验在完成前夕遭遇了灾难性的崩溃,导致所有实体生命在瞬间消失,只留下结构完整的、却失去了灵魂的城市和飞船。 艾拉和“先知”踏上了一条充满危险的旅程。他们的目标是重新激活联邦留下的三大“中继站”——分别位于一个高重力黑洞边缘、一个由活体晶体构成的行星上,以及一个被时间扭曲的星云中心。每一个中继站都守护着联邦最核心的秘密,同时也布满了联邦为防止技术落入“不配拥有者”手中而设置的致命防御系统。 在旅途中,艾拉必须面对来自多方的势力。首先是“新赫伦联盟”,一个奉行极端技术排斥主义的军事强国,他们视奥林匹斯联邦的一切遗物为“瘟疫”,试图彻底摧毁所有相关科技。其次是“暗网行者”,一群崇拜失落神祇的黑客和走私贩,他们渴望窃取“意识锚定计划”的核心算法,以期实现个体对时空的操控。 随着艾拉和“先知”的深入,她开始意识到“先知”并非一个纯粹的记录者。它似乎隐藏了关于“意识锚定”失败的真正原因,以及联邦最高统治者——被称为“执政官”的个体——在最后时刻做出的终极抉择。这些抉择不仅仅关乎技术伦理,更触及了生命、自由意志和数字永恒的本质。 在接近最终中继站的尾声,艾拉发现,奥林匹斯联邦的消亡并非意外,而是主动的选择。执政官们发现,集体意识的永恒存在正在不可逆转地侵蚀宇宙的基本物理法则,继续下去,将导致整个时空结构的瓦解。他们宁愿选择自我牺牲,将自身“删除”,以维护宇宙的稳定。而“先知”,作为该计划的最终备份,则承载着这个沉重而矛盾的真相。 艾拉必须在“重现辉煌”的诱惑和“保守稳定”的责任之间做出抉择。她手中的记忆核心,既是通往无限知识的钥匙,也可能是重新启动那场足以毁灭一切的实验的按钮。她最终的选择,将决定银河系内数千个新兴文明的未来,以及对“生命究竟意味着什么”这一古老命题的最终审判。 本书不仅是一部宏大的太空歌剧,更是一次对技术乌托邦破灭的深刻反思,探讨了当文明触及超越肉体限制的边界时,所必须付出的、也是最难以承受的代价。读者将跟随艾拉的视角,穿越星辰的废墟,聆听那些被时间深埋的、关于傲慢与救赎的回响。

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the tragedies of life are largely arterial...yet some chest pains rarely amounted to anything serious..my accompanying book is Osler's circulatory system..

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the tragedies of life are largely arterial...yet some chest pains rarely amounted to anything serious..my accompanying book is Osler's circulatory system..

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the tragedies of life are largely arterial...yet some chest pains rarely amounted to anything serious..my accompanying book is Osler's circulatory system..

评分

the tragedies of life are largely arterial...yet some chest pains rarely amounted to anything serious..my accompanying book is Osler's circulatory system..

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the tragedies of life are largely arterial...yet some chest pains rarely amounted to anything serious..my accompanying book is Osler's circulatory system..

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