What keeps energy moving to surface

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

Why do we perceive objects as retaining their brightness under different lighting levels?

What are the proteins in connectivity tissues of your foot examples of?