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Understanding Cell Structure: The Building Blocks of Life

Cells are the smallest living units of organisms, comprising specialized parts called organelles that perform essential functions. Tissues consist of groups of cells working collectively. Organs are made up of different tissues that collaborate to execute specific tasks, while organ systems encompass groups of organs working together. Key components include the cell membrane that regulates substance movement, the nucleus that directs cell activities, mitochondria for energy release, and chloroplasts for photosynthesis. Understanding these structures reveals the complexity and functionality of life.

may-saunders
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Understanding Cell Structure: The Building Blocks of Life

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  1. Cell The smallest living part of an organism

  2. Organelle A specialized part of a cell having some specific function for the cell

  3. Tissue A group of cells that work together to perform a certain function for an organism

  4. Organ A group of different tissues that work together to perform a certain function in an organism

  5. Organ System A group of organs that work together to perform a certain function in an organism

  6. Turgor Pressure The pressure exerted on a cell membrane or cell wall

  7. Cell Membrane A soft, flexible structure that surrounds a cell and controls the movement of substances in and out of the cell

  8. Cell Wall A rigid, outer covering of a plant cell

  9. Nucleus The structure in a cell that controls everything the cell does

  10. Mitochondrion The structure in a cell that release energy from the nutrients in food

  11. Cytoplasm A jelly-like liquid that fills most of the cell

  12. Chloroplast A tiny green structure that contains chlorophyll, found in the leaf of the plant and needed for energy transformations involving photosynthesis

  13. Vacuole Spaces in the cell that store water and nutrients until the cell needs them or store wastes until the cell can get rid out them

  14. Organism A living object

  15. Heredity The transfer of genetic material from parents to offspring

  16. Chromosomes Thread-like bodies that carry genetic material

  17. Genes The basic unit of heredity

  18. Homeostasis The tendency of a system to maintain internal stability

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