it is because of a biological change in body temperature which causes your muscles to get warmer and not cold.
I believe your body is responding to the cold by shivering to warm you up.
High humidity makes it harder for the human body to cool down because sweat does not evaporate from the skin as easily. Also, high humidity can cause allergies to worsen.
To increase your body temperature.
when you have a fever to make you comfortable since your going to be over normal body temperature your brain basically flips your sense of temperature aka the primary somatic brain and makes you feel cold. the brain lies pretty well doesn't it.
Shivering when scared is a result of the body's fight-or-flight response to stress. When you feel frightened, your body releases adrenaline, which can cause muscles to tense up and shiver in order to prepare for potential danger. It's a reflex action designed to help you respond quickly to threats.
you tell me
it is when you are cold or you are hunger
"its not the heat , its the humidity" usually means it is the the humidity that cools your body temperature down .
Shivering warms the body by increasing metabolism.
You can move your body or shiver.
The answer is "True"
Homeostasis