__1. loosely coiled fibers containing protein and DNA within nucleus
__2. cellular product, such as a pigment melanin in skin
__3. energy release from food molecules
__4. nonmembranous structure that contains the centrioles
__5. small RNA-containing particles for the synthesis of proteins
__6. membranous sac formed by the pinching off pieces of cell membrane
__7. dense body of RNA within the nucleus
__8. slender tubes that provide movement in cilia and flagella
__9. organelles composed of membrane-bound sacs, canals, and vesicles
__10. outside boundary of the cell
__11. occupies space between cell membrane and nucleus
__12. flattened membranous sacs that package a secretion
__13. motile processes that are numerous and short and are associated with some cells
__14. tiny rods in meshworks or bundles that help cell to shorten
__15. membranous sac that contains digestive enzymes
__16. contains enzymes that decompose hydrogen peroxide
__17. separates nuclear contents from cytoplasm
__18. spherical organelle that contains chromatin and nucleolus
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.
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