Levels of organization

• Atom - smallest particle
• Molecule - A group of atoms that are bonded together our body needs this to survive

  Lipids - body fats where energy is stored
• Protein - A molecule made up of amino acids.
• Nucleic acid - A molecule that contains genetic information in the form of nucleotides dna
• Organelles - small structures within a cell that perform specific functions.
• Cell - A basic unit of structure and function in living organisms. Eukaryotic prokaryotic - bacteria
• Tissue - A group of similar cells that work together to carry out a particular function.
• Organ - A group of tissues that work together to perform a specific function.
• Integumentary system - skin
• Organ system - a group of organs that work together to perform a specific function.
• Organism - A living thing that is made up of cells and has a functioning metabolism.
• Proton - A positively charged particle found in the nucleus of an atom.
• Electron - negative
• Neutron - neutral charge