<span><span>Central nervous system (CNS)
</span>Peripheral nervous system (PNS)</span>
.
Autonomic nervous system (ANS)
Answer:
Homeostasis.
Explanation:
Homeostasis is the ability (of an organism) to keep constant its internal environment, temperature, pH, or other internal factors.
I hope this helps!
-Bella
<em>BrainlyBluebell</em>
Answer:food-borne contagion ( i think) sorry if i got wrong
Explanation: