Misc: What was kind old Benjamin Franklin the first to do to a lamb,a chicken and a turkey?

Questions

Biology - What body function is improved if you sleep on your right side?

Biology - What carries sensations from the tongue to the brain?

Biology - What does the body release that dilates small blood vessels and so causes a person to blush?

Biology - What does the lack of iodine in the diet cause?

Biology - What does the pancreas produce?