you need to work harder to get your heart rate higher because you have become more physically fit in pace or you would be in the right heartrate
Answer:
It shouldn't affect her oxygen but more of her starch/glucose.
The most common, severe congenital anomalies are heart defects, neural tube defects and Down syndrome. Although congenital anomalies may be the result of one or more genetic, infectious, nutritional or environmental factors, it is often difficult to identify the exact causes. Some congenital anomalies can be prevented.