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 is an approach that is methodical, and that approach helps acquire knowledge. Science is not the knowledge gained through the approach. Knowledge can be ga…
