Answer;
One could use body mass index, waist circumference, and waist-to-hip ratio.
Explanation;
-Body mass index is a measurement of a person's weight with respect to his or her height. It is a good indicator of ones body fat.
-Waist circumference (WC) is an indicator of health risk associated with excess fat around the waist.
-Waist-to-hip ratio is the dimensionless ratio of the circumference of the waist to that of the hips.
Probably a) improve your mood. but there isn't really an answer for c because i don't know what c can be. hope that helped tho
Answer:
A. The atria are contracting and pushing blood into the bottom ventricles of the heart.
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