True, to check for possible things that can cause death or injury.
Do your weight in kilograms divided by your height in meters squared (this answer is called your bmi-body mass index) and the ideal bmi for an adult is between 18.5 and 24.9 however being slightly above or below this is perfectly healthy if you google a bmi chart you can see what would be unhealthy
Everyone is illiterate at some point in their life.
Maybe because they are imperfect.
That is actually false. Starch starts to breakdown into glucose (sugar) from the saliva in the mouth.