The Human Heart

The Human Heart

Introduction

The heart plays one of the most critical roles as an organ, in the human body. Together with the arteries and veins, it forms the cardiovascular system. The ancient ideology believed heart to be the source of body heat; however, this view was overthrown by proof heart being a muscular pump by Harvey. The heart muscles contract to pump blood throughout the body, by beating about 72 beats every minute throughout life. The primary function of the heart is to pump blood, which carries all the vital material required by the body to function, as well ...