Question

which does body mass index (bmi) measure? total amount of body fat per body mass height to weight ratio of an individual risk of chronic disease level of physical activity

Explanation:

Body - Mass Index (BMI) is calculated as weight (mass) divided by the square of height. It is a measure that gives an indication of the total amount of body fat relative to body mass. It is not a direct measure of the risk of chronic disease, level of physical activity, or the height - to - weight ratio in isolation.

Answer:

Total amount of body fat per body mass