Doctors report incidences of illness suck as influenza

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?

When analyzing tree rings, what do scientists assume a thin ring indicates?

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?