An interaction of systems allows for the body to warm itself when it is cold. Which processes help the body warm up when it is cold? Select three options.shiveringsweatinghair on body laying flatgoosebumps forminghair on body standing up

When you are cold, shivering causes muscles to contract rapidly, which produces heat. Goosebumps form as tiny muscles pull the body hairs upright; this response can help trap a layer of air near the skin. Sweating cools the body, and hair lying flat does not help retain warmth.

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