<span>the diaphragm
It sits right below the lungs and makes the air flow as it contracts :) </span>
<span>Gametes that are the same in size and shape is known as "Isogamy"
So, option A is your answer.
Hope this helps!
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A measure of tactile acuity defined as the smallest separation at which two points applied simultaneously to the skin can be clearly distinguished from a single point. It varies from 1 or 2 millimetres in the finger pads and tongue to more than 60 millimetres on the upper arm, upper thigh, and back.
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.