My Blood, Your Blood
A few years ago, Puget Sound Blood Center and America’s Blood Centers created a video program and teacher’s guide that makes it both fun and easy to learn more about blood, blood biology, the human circulatory system and the important role blood plays in sustaining life.
Introduction to Hematology
Blood is the only tissue that flows throughout your body. This red liquid carries oxygen and nutrients to all parts of the body and waste products back to your lungs, kidneys and liver for disposal. It is also an essential part of your immune system, crucial to fluid and temperature balance, a hydraulic fluid for certain functions and a highway for hormonal messages.