Pulmonary arterial hypertension is a rare but severe disease with an estimated five-year survival rate of only 57% after diagnosis, according to the Registry to Evaluate Early And Long-term PAH disease management (REVEAL), which registers data from patients in the United States.
Concentration of elements in the ocean relative to the total concentration in the bulk silicate Earth (BSE). Of all the elements, only Cl and Br have a significant fraction in the ocean (see inset), indicating the extreme hydrophilic character for the heavier halogens.
Chlorine exists in the form of a salt (chloride) in the human body. It is present mostly in the extra cellular fluid. Chlorine is a greenish-yellow poisonous, gaseous element with a suffocating odor. In the body it is mostly present as sodium chloride or common salt, which performs various essential functions. Combining with sodium, it forms the most important electrolyte in the body. It is needed to perform various cellular activities in the body. It carries electric charges from one cell to another.