BiologyWise
Biology Wise: How the Circulatory System of a Pig Works
Describes the parts of a pig's circulatory system and how its blood circulates. Circulation in a pig fetus is also described as it has differences.
Other
Barnyard Palace: Pigs
This is a site for the basic information on pigs. It gives you the life cycle, why they are raised, facts about their diets, the different species. Along with all that there are a few more interesting facts.
HotChalk
Hot Chalk: Lesson Plans Page: Venn Diagrams
The point of this lesson is to introduce children to the idea of comparison through Venn diagrams. Children will compare two stories using the Venn diagram.
Saint Louis Zoo
Saint Louis Zoo: Red River Hog
Discover fun facts and learn about the habitat, diet, behavior, breeding, appearance, and conservation status of the red river hog.
Other
Audubon Nature Institute: Babirusa
Meet the babirusa and discover details about its behavior, eating habits, range, conservation status, and other unique facts.