Which of the following muscles inserts on the posterior side of the humerus? A.
Infraspinatus
B.
Supraspinatus
C.
Deltoid
D.
All of the above

Why  do you think body composition focuses  on the  ratio  of  fatty tissue  to  other body tissue? why is  body composition not related  to  weight?

Its simple its a because they are more fat

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle

Making sure the equipment is cleaned daily and insuring proper hygiene is kept up with the working staff.