Question

how does body mass index determines whether a person is undernorished or not? explain

Answer 1

if the BMI is less than 18 then they are considered as undernourished, if the figure is more than 25 then they are over weight.

Answer 2

Bmi means body mass index

Bmi calculated by weight and height

If our bmi is 15-18 it is underweight

And,18-21 it is normal weight

21-25 obese

25-31 overweight