5. Which is an activity controlled primarily by the autonomic nervous system? *
*thinking during an exam
* writing your name
*regulating heart rate
* chewing food

I think that it will be chewing food

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explanation:

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science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.