Identify a sense organ that would respond to each of the following stimuli?

brain? your whole nervous system would react to these stimuli, sending messages to and from your brain to your other body systems in order to maintain homeostasis. 1. skin would release sweat in heat or muscles would contract in cold (shiver) 2. pupils will constrict or you will blink (muscles) 3. your muscles will contract and expand to allow you to stay in place