Answer the following question given this paragraph: 

These people may be having fun in the icy water, but their bodies are struggling to react to the cold. For example, they may begin to shiver. Shivering helps the body return to a stable temperature. The body is always working to achieve stability, or homeostasis.


Q: Shivering helps the body return to a stable what?

 Choices:

- pH level

- weight

- mood

- temperature

A:
temperature
