General Science Questions

 Protein cantaining foods are the major source of dietary sulfur. Foods like eggs are rich in sulfur content.

Eating raises blood sugar levels, insulin stimulates the lowering of blood sugar level. In this example the response to the stimulus (increased blood sugar levels) opposes that stimulus (by lowering blood sugar levels).

Proxima Centauri is the nearest star to the Earth.

Joseph Priestley and Carl Wilhelm Scheele both independently discovered oxygen in the year 1774, but Priestly is usually given credit for the discovery.

The glycemic index or glycaemic index is a number associated with the carbohydrates in a particular type of food that indicates the effect of these carbohydrates on a person's blood glucose (also called blood sugar) level. A value of 100 represents the standard, an equivalent amount of pure glucose.

The GI represents the rise in a person's blood sugar level two hours after consumption of the food.