L1.2.1: The Brain

• Brain

  ● Largest and most complex mass of nervous tissue in the body
• Brain

  ● Appearance:

  ○ Contains pinkish gray tissue

  ○ Wrinkled like a walnut

  ○ Texture is like a cold oatmeal
• Brain

  ● Average Weight:

  ○ Human adult: 1,300 - 1,400 g or 3 pounds

  ○ Infant/newborn: 350 - 400 g or ¾ of a pound
• Brain

  ● Average Length:

  ○ 15 cm long