A. Cells have characteristic structures and functions that make them distinctive.
B. Processes in a cell can be classified broadly as growth, maintenance, reproduction, and homeostasis.
C. Life can be organized in a functional and structural hierarchy ranging from cells to the biosphere.
D. Most multicellular organisms are composed of organ systems whose structures reflect their particular function.
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This video presentation is illustrating the amount of work the kidney performs each day to maintain proper levels of ions in the body. It will help in increasing your understanding about the functions of kidney.
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