Push ups Lifting Sit ups etc
The answer is B. Shivering when Cold
Homeostasis is the maintenance of Stable Condition within the body
When we are experiencing a cold temperature, Our brain send a signal to our nerves to tighten and loosen really fast in order to create heat within our body. ( making it back to a stable temperature)
When the body starts to shiver, the body is slowing increasing heart rate. When your body hits cold air, your heart rate needs to rise, not only to to keep our body core temperature at 98.6 degrees but also to help guarantee to keep blood flowing up to our brains, our important muscles and internal organs.
Not toxic or harmful if consumed by the customer.