The answer is B. Shivering when Cold
Homeostasis is the maintenance of Stable Condition within the body
When we are experiencing a cold temperature, Our brain send a signal to our nerves to tighten and loosen really fast in order to create heat within our body. ( making it back to a stable temperature)
Im not sure, but im guessing a, c, and b but this is probably wrong
Answer:
Refuse to open the door for a stranger
Explanation: