Respuesta :
Answer:
Nervous; regulation
Explanation:
Your shivering is the convulsion of muscles, and the friction of the shivering warms up the body. It's triggered by the nervous system sensing that you're cold.
Answer:
Nervous; regulation
Explanation:
Your shivering is the convulsion of muscles, and the friction of the shivering warms up the body. It's triggered by the nervous system sensing that you're cold.