Walker, Richard, 1951-

How we breathe / by Richard Walker. - North Mankato, Minn. : Smart Apple Media, 2004. - 32 p. : col. ill. ; 27 cm. - Body science .

Includes index.

ISBN: 1583404562 (alk. paper)

LCCN: 2003059246

Subjects--Topical Terms:
Respiration.

LC Class. No.: QP121 / .W344 2004

Dewey Class. No.: 612.2