Exercise has no positive effects on the nervous system.

What evidence can you use to prove that different nerves carry information from the fingertips to the brain?

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.

How harmful is it to smoke a pack of cigarettes a week?