Bethune, Helen.

Why does my heart pumpt? : and other bodyworks questions / Helen Bethune. - Markham, Ont. : Scholastic, 2007. - 16 p. : col. ill. ;23 cm. - Why is it so? Pan Canadian Science Place .

ISBN: 9780779174218 (pbk.) 0779174216 (pbk.)

Subjects--Topical Terms:
Human body--Miscellanea.
Science--Study and teaching (Primary)