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Across 2. tissues that provide structure and form of the body and bind parts of the body together (2 Words) 6. Of or pertaining to the kidneys or the surrounding regions 10. substance produced by the liver that breaks down fat in foods 11. organs that make up the digestive system 13. the limbs and appendages of the skeleton 14. the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wavelike movements that push the contents of the canal forward 16. process of converting food into energy needed to maintain the body and perform bodily functions 21. The movement of substances across a cell membrane without the use of cell energy (2 Words) 23. act or process of discharging waste matter from the blood, tissues, 24. the study of hormones and how they work 25. The intake of water, gases, nutrients or other substances 27. related to the heart 29. chemicals manufactured and released in the body in one set of cells, but have an action on other cells 30. layer or sheet of muscle and connective tissue that forms the wall

Down 1. The oxidation of organic compounds that occurs within cells, (2 Words) 3. Groups of cells working together to carry out a common function, such as muscle tissue, connective tissue, and epithelial tissue 4. distinct part of a plant or animal that carries on one or more particular 5. pressure of the blood against the inner walls of the blood (2 Words) 7. A thin, flexible sheet of vegetable or animal tissue; the thin protoplasmic tissue connecting, covering, or lining a structure, such as a cell of a plant or animal 8. Animals with a spinal column or backbone, such as fishes, birds, 9. process by which molecules move from an area of greater concentration to an area of lesser concentration 12. Of, pertaining to, or affecting the heart and blood vessels 15. four-legged animals 17. growth hormone 18. The flow of water through a semi-permeable membrane separating two solutions, which permits the passage of the solvent but not the dissolved substance. 19. the collagen of bones, used for glues and gelatin, derived by dissolving the mineral content in an acid solution 20. to maintain internal stability, owing to the coordinated response of its parts 22. nerve cell 26. two-legged animals 28. central portion of the skeleton including the skull, vertebral column