Answer: Honestly I don't bother with such things.
Explanation: While I admit myself if i were going by the rules of the bible i would be a sinner like no other. BUt i am not a bad person, i have not done anything bad in sort, i mean i never even kissed a girl at almost adulthood now. But that bieng said I know i could never make up for all the "bad things I have done". But who says there is someone watching us? Even if there is nothing to stop us, we keep moving on like there is a "god". I belive there is too much to this topic and alot is quite unclear. I have an email if you'd like to go further in detail with things. Sorry if this wasn't what you were looking for.
The parasympathetic nervous system causes this relaxed state it allows the body to reach a form of homeostasis this relax and digest is very important for repair and digestion
Sensory receptors?? I believe that is the answer but you may have wanted a more in depth explanation, if so, my bad.
Liver contains a enzyme called catalase. When hydrogen peroxide (H2O2) is added to liver, a chemical reaction occurs which results in the production of oxygen gas (O2) and liquid water (H2O).
Hope I helped