(1)生命的物质基础 The Physical Bases of Life Tree of Life-What is life built of? 生命之树是用什么建造的？ 生命由地球元素组成：Life is made of elements on Earth The 1648 potted willow experiment of Johannes Baptista van Helmont
1 Tree of Life-What is life built of？ 生命之树是用什么建造的？ The 1648 potted willow experiment of Johannes Baptista van Helmont （1）生命的物质基础 The Physical Bases of Life 生命由地球元素组成：Life is made of elements on Earth
(1)生命的物质基础 The Physical Bases of Life 惰性 生命中的地球元素Elements of life (颜色越深含量越高The darker,,the more in life) He Be B N Ne Na Mg Si cl Ar K Ca Sc Ti Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg T Pb Bi Po At Rn Fr Ra Ac米米Rf Db Sg Bh Hs Mt Ds Rg Cn Uut Uuq Uup Uuh Uus Uuo Ce Pr Nd Pm Sm Eu Gd I Tb Dy Ho Er Tm Yb Lu Pa Np Pu Am Cm Bk CfEs Fm Md No Lr 2eicllc ble highlighting dietary elements
1 H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La * Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac ** Rf Db Sg Bh Hs Mt Ds Rg Cn Uut Uuq Uup Uuh Uus Uuo * Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu ** Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Periodic table highlighting dietary elements9 （1）生命的物质基础 The Physical Bases of Life 生命中的地球元素Elements of life （颜色越深含量越高The darker, the more in life） 惰性
(1)生命的物质基础 The Physical Bases of Life >人体-水65%：By mass,human cell body consist of65% water(H2O).Oxygen therefore contributes a majority of a human body's mass. >氧、碳、氢、氮、钙、磷99%：Almost99%of the mass of the human body is made up of the six elements oxygen, carbon,hydrogen,nitrogen,calcium,and phosphorus. >钾、硫、钠、氯、镁0.85%其余为微量元素，如锌：About 0.85%is composed of only five elements:potassium,sulfur, sodium,chlorine,and magnesium.All are necessary to life. The remaining elements are trace elements,of which more than a dozen are thought to be necessary for life,or play an active role in health ew ipedia.org/wiki/Composition_of_the_human ody
1 （1）生命的物质基础 The Physical Bases of Life 人体-水65%：By mass, human cell body consist of 65% water (H2O). Oxygen therefore contributes a majority of a human body‘s mass. 氧、碳、氢、氮、钙、磷 99%：Almost 99% of the mass of the human body is made up of the six elements oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. 钾、硫、钠、氯、镁 0.85%其余为微量元素，如锌：About 0.85% is composed of only five elements: potassium, sulfur, sodium, chlorine, and magnesium. All are necessary to life. The remaining elements are trace elements, of which more than a dozen are thought to be necessary for life, or play an active role in health (http://en.wikipedia.org/wiki/Composition_of_the_human_body)