It is true that the five stages of grief are not experience in a neat or sequential order because others do not have to go through the five stages in order to heal. Some people resolve their grief without going through any of these stages of Denial, Anger, Bargaining, Depression and Acceptance
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)