autonomic nervous system
US /ˌɔː.təˈnɑː.mɪk ˈnɝː.vəs ˌsɪs.təm/
UK /ˌɔː.təˈnɑː.mɪk ˈnɝː.vəs ˌsɪs.təm/

1.
sistema nervoso autônomo
the part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.
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The autonomic nervous system regulates involuntary bodily functions.
O sistema nervoso autônomo regula as funções corporais involuntárias.
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Stress can significantly impact the autonomic nervous system.
O estresse pode impactar significativamente o sistema nervoso autônomo.