the body composition is the ratio of body fat to the muscles
No, because the risk is to high and they should keep it private.
If you do not sleep for 40 days it can potentially kill you because if you slept more than 3 days then that will cause more harm then it would’ve been as to sleeping regularly in a daily schedule. That is abnormal and would give you a horrendous amount of hallucinations, basically insomnia from situating from that problem and can also put the higher chance into leaking towards paranoia. It will also lead into sleep deprivation, heart failure, high blood pressure, diabetes and potentially strokes that would consider damaging your health harshly.
Your lungs can begin to clean themselves
I believe it is B.) One every 3-5 seconds. This includes all mirrors, not just the rear view, though I may be wrong, sorry if I am!!