* picture of the heart and its parts * picture of the body and some of its organs The Circulation of Blood The human circulatory system is really a two-part system whose purpose is to bring oxygen-bearing blood to all the tissues of the body.
(The human circulatory system; is really; a two-part system whose purpose is to bring oxygen-bearing blood to all the tissues of the body) (a two-part system; is; to bring oxygen-bearing blood to all the tissues of the body) (a two-part system; to bring; oxygen-bearing blood; to all the tissues of the body)
The human circulatory system a two-part system a two-part system
is really is to bring
a two-part system whose purpose is to bring oxygen-bearing blood to all the tissues of the body
to bring oxygen-bearing blood to all the tissues of the body
oxygen-bearing blood to all the tissues of the body