To understand the workings and anatomy of the heart and to learn
about new medical techniques that help people live longer,
healthier lives. This lesson is the first of a two-part series
that explores different aspects of the human heart and the
various changing conditions that have affected the health of
billions of people from prehistoric to modern times. This first
lesson, Heart 1: Transplant, focuses on the state of medical
care of the human heart today and on modern medical
advances—such as heart transplants—that "give today's human
beings a better chance of staying healthy than their forebears
had," as noted in the first part of the benchmark for this
lesson. The second lesson, Heart 2: Changing Lifestyles and
Health, examines the history of human diet and trends in care of
the heart, comparing it with today's eating habits and
lifestyles, many of which "may not be good for human health."
Few students walk around in the hustle and bustle of modern life
being fully aware of themselves as human organisms