Question

fill in the blank question
a(n) helps maintain homeostasis by controlling involuntary processes and carrying out automatic protective responses (i.e. coughing, sneezing, vomiting).
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Explanation:

The question is about a biological structure that controls involuntary processes and protective responses for homeostasis. The autonomic nervous system (or a more specific part like the reflex arc, but the autonomic nervous system is a key system for involuntary control) fits. However, the "autonomic nervous system" or more specifically, the "reflex" or "autonomic reflex" but the most appropriate term here is the "autonomic nervous system" or the "nervous system" (but more precisely, the autonomic nervous system). Wait, actually, the correct term here is the "autonomic nervous system" or the "reflex arc" but the standard answer for this context is the "autonomic nervous system" or "nervous system" (but more accurately, the "autonomic nervous system" or the "reflex" mechanism, but the key structure is the autonomic nervous system. Wait, no, the correct answer here is the "autonomic nervous system" or the "nervous system" (but the specific term is the "autonomic nervous system" which controls involuntary processes like heart rate, breathing, and protective reflexes like coughing, sneezing, vomiting.

Answer:

autonomic nervous system