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

Sally goes jogging every morning she also enjoys playing tennis and baseball identify the lifestyle that sally maintains

Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.

Why do you need two different circuits of blood vessels in your body?