Carbon dioxide a lungs; water a lungs; water a kidney ; urea a kidney ; salts a kidney ; salts and water a skin. 7. Diffusion of both into ... Draw a labelled diagram to show the structure of a tooth. Mark with an aquot; X aquot; the name of the hardestanbsp;...
|Title||:||Science for High School Students|
|Author||:||University of Sydney. Nuclear Research Foundation. School Certificate Integrated Science Textbook Group, Harry Messel|