Abstract This scientific paper explores the human cardiovascular system as it relates to physical fitness and heart rate. Introduction As an early part of our study of a science, we need to all be "on the same page" when it comes to a few terms. We can define science as a methodical approach to the acquisition of knowledge. This important word distinguishes how a scientist works from how other people learn about the world. Science …showed first 75 words of 529 total…

…showed last 75 words of 529 total…from the cardiovascular experiment showed that it takes longer for non-athletic individuals to return to a resting heart rate than athletic individuals. Also that fit or "athletic" people have a lower resting heart rate to begin with. Bibliography Morgan/Carter, Investigating Biology. San Francisco: Benjamin Cummings, 2002. Campbell/Reece, Biology. San Francisco: Benjamin Cummings, 2002. Online webpage: http://koning.ecsu.cstateu.edu/plants_human/scimeth.html Online webpage: http://www.ucmp.berkeley.edu/diapsids/buzz/dinoscience.html