homeostasis

Homeostasis

Which organ balances the glucose level in the body?

What is involuntary contractions of voluntary muscles to warm up?

Which is NOT a characteristic/example of positive feedback?

If the environment gets cold, we will often shiver in order to:

When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.

Homeostasis

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.

Homeostasis

What hormone is produced in the pancreas that lowers blood sugar?