Nitric oxide released from endothelial cells cause?

Nitric oxide has a role in maintaining normal endothelial function through modulation of vascular dilator tone by decreasing endothelin-1, regulation of vascular permeability, platelet aggregation and adherence, and recruitment and adherence of immune cells circulating in the blood

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.