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cytology - ANSWER-scientific study of cells
cell theory - ANSWER-the theory that cells form the fundamental structural and functional units of all
living organisms
cells - ANSWER--functions: fight disease, store nutrients, connect things, line things, gather information
and control body functions, involved in reproduction
-structure:
*nuclear envelope -> nucleus -> nucleolus
*plasma membrane
*cytoplasm -> cytoskeleton, organelles, inclusions, cytosol
intracellular fluid - ANSWER-fluid within cells; cytosol
extracellular fluid - ANSWER-fluid outside the cell; tissue fluid (ex. blood plasma, lymph, and
cerebrospinal fluid
cytoplasm - ANSWER-fluid between the nucleus and surface membrane; contains the cytoskeleton,
organelles, and inclusions
plasma (cell) membrane - ANSWER--stick cells together to form tissues; regulates exchange of materials
that go in and out of a cell; involved in intracellular communication; gives cell its shape
-made of proteins, lipids, & carbohydrates; phospholipids are major components; semi-permeable
membrane
cytoskeleton - ANSWER--supportive framework of protein filaments and tubules
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