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)
Answer: B. Exercise is a subset of physical fitness.
Explanation:
B. dramatic shifts in a persons mood, energy, and ability to think clearly.