When the aortic valve opens into the aorta, blood flows a-out of the body b- into the right atrium c- into the left ventricle d- out of the pulmonary artery

How can a friend directly influence you to buy a health product? he tells you to buy it because of how good the product is. ob. you hear him exclaim how great this product is. c. you see this post on a social networking site saying how much he likes it reset next