A blue dye blinds to protin and changes colour.
The thyroid is a butterfly-shaped gland that lies in front of the windpipe (trachea), just below the voice box. The parathyroid glands are four tiny glands located behind the thyroid gland. The parathyroid glands produce a substance (parathyroid hormone) that helps control the amount of calcium in the blood.
Scientist study index fossils so they will get an understanding of what life was like back then.
Lactic acid produced by fermentation causes the sour taste.
<span>water is relatively resistant to an increase in temperature.</span>
