Which statement explains why the pulmonary artery splits into two branches? because the heart has two halves
because the pulmonary artery goes to two lungs
because the right ventricle connects two chambers
because the pulmonary vein has two functions

For years, tobacco products have included a message from the surgeon general warning the negative effects of tobacco use. at this time, a push is being made for the fda to begin to regulate e-cigarettes in order to mandate warning labels and age restrictions. write a paragraph that identifies 2 health problems that have been linked to nicotine and/or tobacco use. you should include statistics demonstrating the incidence of problems among smokers and provide a resource citing where you found the information provided. (remember from unit 1 what makes a resource reliable.) due in 2