The brain tells his stomach intestines and liver want to be active and want to rest. Messages to and from the brain decide when it’s time to process food. Which to organ systems are working together?

Ase your answer to this question on the information below.hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant.the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen.chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product.nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat