Contractile used in a sentence

Contractile in a sentence as an adjective

It slows down the heart and lessens its contractile power consumption.

I meant something with a contractile tissue that would wrap the heart, not a secondary pump

Beyond a certain capacity the bladder is no longer contractile and must be catheterized to urinate.

"Our simple projections indicate that muscle contractile speeds that would allow for maximal or near-maximal forces would permit running speeds of 35 to 40 miles per hour and conceivably faster"So essentially if human physiology worked differently than it did, we could theoretically run much faster.