THE HEART AND HOW IT WORKS The circulatory system is the network of elastic tubes through which blood flows as it carries oxygen and nutrients to all parts of the body.
(IT; WORKS; The circulatory system) (THE HEART AND HOW IT WORKS The circulatory system; is; the network of elastic tubes) (blood; flows; ) (it; carries; oxygen and nutrients; to all parts of the body)
IT THE HEART AND HOW IT WORKS The circulatory system blood it
WORKS is flows carries
The circulatory system
the network of elastic tubes
oxygen and nutrients to all parts of the body