The muscle walls of the heart become thickened, reducing the ability of the heart to pump adequate quantities of blood to the rest of the body.
(The muscle walls of the heart; become; thickened) (The muscle walls of the heart; thickened; ) (The muscle walls of the heart; reducing; the ability of the heart to pump adequate quantities of blood to the rest of the body)
The muscle walls of the heart The muscle walls of the heart The muscle walls of the heart
become thickened reducing
thickened
the ability of the heart to pump adequate quantities of blood to the rest of the body