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Cells that have no mitochondria are unable to convert oxygen into energy, found in the form of adenosine triphosphate (ATP). All multicellular eukaryotic organisms, including plants and animals, have mitochondria in some cells, but prokaryotes and some single-cell eukaryotes do not have mitochondria.
Answer: gametes, sperm, meiosis
Breathing
heart beat
digestion
sweating
involuntary muscles
Things that you are not conscious of is what the ANS is responsible for.