There are a number of differences between the impact of caffeine on the human body and on the spider's body. Caffeine will energize a human and kill a spider.
Propofol is not a naturally occurring substance in the human body.
no
Yes.
The human body is naturally radioactive. The potassium found in the bodies of humans is the main cause of the radioactivity.
no
the skin
Caffeine is great for concentration, it improves memory. 1-4 cups per day is good.
Lanolin is secreted by glands in the skin of animals that have wool, like sheep. People have body hair, and not wool, so lanolin will not be found naturally in the human body.
Cortisol is the same thing that your adrenal glands produce naturally in the amount of 7-10mg daily.
Vitamins are naturally occurring compounds present in most foods. The human body cannot produce vitamins and therefore has to acquire them from external sources: diet or supplements.
so the human body can produce the 'air' and leave it so the body does fill up.