Anatomy Study Puzzle

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Across
  1. 2. the largest organ of the body that forms a physical barrier between the external environment and the internal environment that it serves to protect and maintain
  2. 4. away from the head
  3. 5. the sequences of enzyme-catalyzed reactions by which relatively large molecules in living cells are broken down, or degraded
  4. 9. force originating in the pumping action of the heart, exerted by the blood against the walls of the blood vessels
  5. 10. the branch of anatomy that studies structural changes of an individual from fertilization to maturity
  6. 12. the middle layer of the skin
  7. 14. small area of thickened skin, the formation of which is caused by continued friction
  8. 15. The tissues, glands, and organs involved in producing offspring
Down
  1. 1. the bottom layer of skin in your body
  2. 3. The chemical changes that take place in a cell or an organism
  3. 6. describes the processes by which immature cells become mature cells with specific functions
  4. 7. The outer layer of the skin
  5. 8. A part of the body that performs a specific function
  6. 11. The thickened layer of skin adjoining fingernails and toenails, particularly at the base of the nail
  7. 13. the visible portion of the distal nail matrix that extends beyond the proximal nailfold