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