University of Utah
University of Utah: Cardiovascular Pathology Index
This site features a detailed index of photographs for cardiovascular pathology. You can see what a normal human heart looks like and what a sick one looks like too. Come and check it out.
Merriam-Webster
Merriam Webster: Dictionary Illustration: Heart
Labeled illustration of the human heart, with callouts for the aorta, pulmonary artery, venticles, and atria.
Curated OER
A Human's Heart
A good quick look at the comparative anatomy of the heart of a typical bird and the human heart. Gives some of the facts behind the differences.
University of Kansas Medical Center
University of Kansas Medical Center: Basic Histopathology
These microscopic images of different cells and tissues from the human organs gives an idea of some the pathological processes that occur and the importance of histology.