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A comment on Fish eyes grown in a petri dish from embryonic stem cells. Parent comment

Re:Fish eyes grown in a petri dish from embryonic stem cells by andy_ppp on Wednesday September 08, 2021 @04:22AM (#28454508)
This is weird because the vagus nerve and breathing rate can both slow/speed up the heart. What about when doing exercise, how is the signal sent to the heart to say speed up?
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