Heart : how the blood gets around the body /
Richard Walker.
- Danbury, Connecticut : Grolier Educational, 1998
- 48 pages : color illustrations ; 29 cm.
- Under the microscope. vol. 1 .
0 717292681
Blood -- Circulation -- Cardiovascular system -- Circulatory system. Heart -- Human physiology -- --Juvenile literature.--Juvenile literature.--Juvenile literature.--Juvenile literature.