Identify the nervous system responsible for calming the body and conserving energy.

The parasympathetic nervous system is responsible for calming the body and conserving energy.

Explanation:

As the body conserves energy, pupils contract, heartbeat slows, blood pressure decreases, and digestion is stimulated.

It functions to restore homeostasis and is active when the body is at rest and recuperating.

if you mean hydrogen and oxygen then water is the product

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.