Waldron, Melanie author

Your respiration and circulation : understand them with numbers /? Melanie Waldron. -- London. Raintree 2014.

48 pages illustrations (colour) 22 cm.

ISBN:  9781406274660

1. Cardiology -- Mathematics.  2. Cardiovascular system -- Juvenile literature.  3. Cardiovascular system.  4. Cardiology -- Mathematics -- Juvenile literature.  5. Respiration -- Juvenile literature.  6. Blood -- Circulation -- Juvenile literature.