When humans get very cold they start to shiver. How could shivering help keep homeostasis?
The human body has many amazing systems that help keep us running smoothly through various conditions. Our body has homeostatic functions that automatically monitor, adjust and regulate our important systems without our even knowing it. Breathing, heart rate, weight regulation and blood pressure are all regulated subconsciously. Shivering is just one of these homeostatic functions our body employs to regulate our body temperature. Also called thermoregulatory shivering, we shiver in an effort to keep ourselves warm.
As you get cold your body responds with negative feedback to return your temperature back to the set point it has deviated from. The hypothalamus in the brain is responsible for regulating body temperature. Shivering is a results of muscle contractions caused by frequent nerve impulses entering the muscles from the brain. These muscle contraction require ATP so ATP is broken down and released as heat in an attempt to heat the body and return your temperature back to the set point.
For everyeone above, please mention your source. The answer is really simple. Muscles around vital organs shake to release some warmth using energy.
Thank you for helping me. I do have more questions coming because I don't like biology.
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