Other
Health on the Net Foundation: Eosinophil
A definition of eosinophil, one of the five different types of white blood cell characterized by large red (i.e. eosinophilic) cytoplasmic granules.
Other
New York State Dept. Of Health: Cellular Hematology
Description of hematology and normal leukocyte counts.
Curated OER
Kids Health: A Body Basics Article: Blood
Site provides an article on blood and what it does. Contains specific information on red and white blood cells as well as platelets.
Sophia Learning
Sophia: White Blood Cells
This lesson will examine the types of white blood cells and their functions.
Science4Fun
Science4 Fun: Blood
What is blood? Discover how and why blood travels in the body, the three main types of blood cells, and the different blood types.
Exploratorium
Exploratorium: Microscope Imaging Station: Blood Cells
This colorful site provides a gallery of blood cell photos. You can observe human white blood cells, human red blood cells, sheep red blood cells, and zebrafish red blood cells. As an added bonus, you can enlarge the red blood cell...