Thickening of muscle fibers (hypertrophy) to strengthen the heart muscle, which allows the heart to contract more forcefully and pump more blood;
(Thickening of muscle fibers; to strengthen; the heart muscle, which allows the heart to contract more forcefully and pump more blood) (the heart; to pump; more blood) (the heart muscle; allows; the heart to contract more forcefully and pump more blood) Context(the heart muscle allows,List([56, 86))):(the heart; to contract more forcefully; )
the heart muscle allows,List([56, 86))
Thickening of muscle fibers the heart the heart muscle the heart
to strengthen to pump allows to contract more forcefully
the heart muscle, which allows the heart to contract more forcefully and pump more blood
more blood
the heart to contract more forcefully and pump more blood