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circulatory system

(Encyclopedia) CE5 Circulatory system circulatory system, group of organs that transport blood and the substances it carries to and from all parts of the body. The circulatory system can be…

bloodletting

(Encyclopedia) bloodletting, also called bleeding, practice of drawing blood from the body in the treatment of disease. General bloodletting consists of the abstraction of blood by incision into an…

Anatomy and
Physiology: Blood Types and Genetics

Blood Types and GeneticsAnatomy and PhysiologyThe Circulatory SystemCells, Bells!Blood Types and GeneticsNow I Know My WBCs Crash Cart Not all of genetics is so simple. Although some traits (…

Anatomy and
Physiology: The Heart's Own Blood

The Heart's Own BloodAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat Why does the heart need its own circuit if blood is already…

Harry Potter and the Half-Blood Prince

Take quizzes, read a review of the movie, and learn how this book shattered publishing records More Stuff Harry Potter PlaylistsHarry Potter Banned?Harry Potter Movies!Harry Potter…

What is the Most Common Blood Type?

The Question: What's the most common blood type in the United States and World? The Answer: In the United States, 37% of the population has type O+ blood, making it the most common type. It's…

shock

(Encyclopedia) shock, any condition in which the circulatory system is unable to provide adequate circulation to the body tissues, also called circulatory failure or circulatory collapse. Shock…

polycythemia

(Encyclopedia) polycythemiapolycythemiapŏlˌēsīthēˈmēə [key], condition characterized by an increase in the production of red blood cells, or erythrocytes, in the blood. Primary polycythemia, also…