introduction to biochemistry

• what is biochemistry

  The study of the chemical processes within living organisms, including the structure, function, and interactions of biological molecules.
• examples of biochemistry


  photosynthesis, respiration,
• what organ system is gas exchange a part of


  respiratory system
• what is the hieracy of organisation in a human (order)


  organism < organ systems < organs < tissues < cells

  
• how many times on average does the heart beat


  the heart beats 70 times a minute on average
• how many breaths are taken a minute on average


  12 breaths are taken a minute on average