Introduction to the biochemistry

Introduction to the biochemistry

• 1.
  Biochemistry for nurses Whatis Biochemistry?
• 2.
  Biochemistry is thestudy of the structure, composition and chemical reactions of substances in living systems BIOLOGYBIOLOGY CHEMISTRYCHEMISTRY+ BIOCHEMISTRYBIOCHEMISTRY Biochemistry for nurses
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  Biochemistry for nurses
• 4.
  Biochemistry for nurses Somebasic knowledges
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  Some definitions Organizationlevels of the human body Biochemistry for nurses
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  The atom =nucleus + electrons electron nucleus OXYGEN ATOM The atom is the smallest chemical Component of our body ex: hydrogen (H), oxygen (O), nitrogen (N) and carbon (C). Biochemistry for nurses
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  The molecule =a group of atoms The atoms get together to form molecules ex: glucose, amino acids, vitamins… GLUCOSE Biochemistry for nurses
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  A big molecule= a macromolecule Biochemistry for nurses
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  Mass composition ofour body Percent of mass: • 65 % water (H2O) •20 % proteins •12 % lipids • ~1.5 % nucleic acids • ~ 1.5 % inorganic molecules (mineral salts) Biochemistry for nurses
• 10.
  The Cell Our bodyis composed by 14 billions of cells. The cell is the basic unity of any living organism. Ex: muscular cell, nerve cell… Biochemistry for nurses
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  The tissue The tissueis a grouping of the same type of cells. There are various types of tissues inside our body ex: Muscle, bone, etc… Biochemistry for nurses
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  The organ An organis a grouping of differents types of tissues in order to perform a specific function ex: The heart, the pancreas, the liver, the kidneys etc… Biochemistry for nurses
• 13.
  Human organ system Anorgan system is a grouping of several organs in order to perform a specific function ex: Digestive system, nervous system, respiratory system, etc… Biochemistry for nurses