Leader in Cardiac Assist Technology
At this site you can learn about and look at photos of a state-of-the-art
temporary artificial heart system. You can also read profiles of
two people who have used the system.
American: Weightlessness and the Human Body
This site explains how weightlessness and space travel affect systems
of the human body.
Ultrasound Imaging Group
This site is authored by "...an interdisciplinary group of scientists
and clinicians exploring the rapidly developing frontier of medical
imaging." You can read medical case studies and look at the associated
three-dimensional ultrasound images at this site.