The main parts of an animal cell include the cell membrane, which protects and regulates the movement of substances in and out of the cell; the nucleus, which contains the cell's genetic material and controls its activities; and cytoplasm, a gel-like substance where organelles are suspended. Key organelles include mitochondria, responsible for energy production; ribosomes, which synthesize proteins; and the endoplasmic reticulum and Golgi apparatus, involved in the processing and transport of proteins. Other important components are lysosomes, which digest waste, and the cytoskeleton, which provides structural support.
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