So we can create more "specialty" jobs that people are skilled to just one area of the body. If we talked about all the body parts at once we would gather way to much information than we need.
Hope this helps!
I would say all are
Explanation......
Answer:
Muscle weight is probably responsible for his high BMI
Explanation:
So you only make one child at a time unless you get twins
Answer
it all depends on the decions like if they smoke or drink