Answer:
Standardized mortality ratio
Explanation:
In epidemiology, the standardized mortality ratio or SMR, is a quantity, expressed as either a ratio or percentage quantifying the increase or decrease in mortality of a study cohort with respect to the general population.
I would say dancing,because its one of the exercise that you can do.
hope this helps..
Hold your breath to find your target heart rate, then be calm until ur heart beat slows until it's the slowest, that's ur resting heart rate
