Human Body Crossword Clues 10 points for each correct answer

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Across
  1. 2. The human retina contains receptor cells of two different types rods and what tapered shapes?
  2. 3. 206 of these in the human body.
  3. 5. what is the largest internal organ in the body.
  4. 6. 32 of these in the adult human.
Down
  1. 1. the islets of langerhans are groups of cells that produce insulin and glucagon located in what organ of the body.
  2. 4. of the three principal layers that make up the human skin, what name is given to the outermost layer that provides a waterproof and protective barrier