Given a scientific question, generate a correct answer to it.
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Question: Organelles whose membranes are specialized for aerobic respiration are called what?

Answer: mitochondria

Question: Potential differences from various voltage sources are necessary in order to create electrical fields, which result in what flow of charge?

Answer: current

Question: Which cells continue the digestion and absorption of nutrients and transport these nutrients to the lymphatic and circulatory systems?

Answer:
epithelial cells