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Across 4. Having only a single layer of epithelial cells 6. Most abundant class of tissues in the body 8. Cells which are taller than they are wide 9. Term meaning a tissue has nerve endings 10. Cells with approximately the same height and width 11. Type of muscle which is connected to bone and used in voluntary body movement 14. Term meaning a tissue has no blood vessels 15. Connective tissue found around blood vessels, nerves, and organs which contains many fibers and cell involved in the immune response 16. Cells which release sections by cellular rupture 17. Class of tissue which occurs next to a space or lumen in the body 21. Cells used to support and protect neurons 23. Tissue with web-like fiber system used in the support of many organs 24. Type of muscle found in the heart and used in involuntary heart contraction 26. Cells which serve as fat storage and serve as major energy reserve 27. Class of tissues specialized in the transmission of stimuli 28. Groups of similar cells and their intracellular materials that have a similar origin in the embryo

Down 1. Connective tissue with many different cells functioning in gas transport, immune system, and clotting 2. A ground substance surrounding the cells which is usually clear, colorless, and viscous 3. Top surface of an epithelial tissue 5. Connective tissue which is a major component of tendons and ligaments and covers many bones and organs 7. Tissue capable of enduring stress, often found between bones as well as in the ears and nose 11. Having multiple layers of epithelial cells 12. Cells which release their cellular products by exocytosis 13. Type of muscle found in tubes and hollow organs and used to control the movement of materials through them 18. Cells which pinch off a portion for secretion 19. Class of tissues specialized for contraction 20. Flat, scale-like cells 22. Bottom surface of an epithelial tissue 25. Tissue with high amounts of calcium and phosphorus, used primarily in support and protection of the body