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Life Science

Cell Specialization

cell Basic unit of life
tissues Consist of groups of similar cells that have a common function
organ A collection of tissues that carry out a specialized function of the body
organ system A group of organs that work together in performing vital body functions
organism A living thing
cell specialization The process in which cells develop in different ways to perform different tasks
stem cells unspecialized cells that retain the ability to become a wide variety of specialized cells
differentiation Cells develop different forms adapted to specific functions
pancreatic cells cells filled with ribosomes and rough ER. These cells also possess large amounts of other organelles needed for protein export; found in the pancreas
nerve cells neurons that carry special messages; human brain has approximately 100 billion
muscle cells cells that can be three types: cardiac, skeletal, and smooth
red blood cells blood cells containing hemoglobin that carry oxygen through the bloodstream
DNA molecule that provides instructions for making proteins
heredity transmission of characteristics from one generation to the next
asexual reproduction a single parent produces offspring that are identical to the parent
sexual reproduction two parents are necessary to produce offspring that share characteristics of both parents
epithelial tissue covers body structures and lines body cavities
connective tissue supports other body tissues and binds tissues and organs together; ex. tendons and ligaments
muscle tissue specialized for contraction; skeletal, smooth, and cardiac
nervous tissue regulates and controls bodily functions and activity; brain and spinal cord
cells ~ tissues ~ organs ~ organ systems ~ organism cell specialization from the simplest to the most complex
Created by: supersta01



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