2.5

• unicellular reproduction - when unicellular cells reach thier full size, they divide into 2 identical cells

  ex. skin
• specialized cell - a cell that has a specific function and is adapted to carry out that function
• red blood cell - function is to carry oxygen

  • thin disk shape enables them to travel through small spaces
  • when matured they lose their nucleus
  • bone marrow produces blood cells
• 4 types of tissue

  1. connective
  2. epithelial
  3. muscle
  4. nervous
• 3 types of plant tissue

  1. photosynthetic/storage
  2. protective
  3. transport
• 3 organs that make up plants

  • leaves
  • stem
  • root
• epidermal tissue - protects outside of plant
• nervous tissue

  ex. brain, spinal cord
• muscular tissue

  ex. any muscle
• epithelial tissue

  ex. skin, layers in lungs
• connective tissue

  ex. blood, bones