You are a doctor on a mission trip in a developing nation with a poor food supply. You notice that many of the children are suffering from vision problems and blindness. What might be your first course of action and why?

Band cthe nucleus of the atom

That is a false statement.

Subtract your 2-minute heart rate from the heart rate you took immediately after exercising. the faster your heart rate recovers (or slows down ) the fitter and healthier your heart. if the difference between the two numbers is: less than 22: your biological age is slightly older than your calendar age