Sami kept kicking Layla until she lost control of her bowels.

The doctor concluded that her stomach pains were due to irritable bowel syndrome.

I bleed when I have bowel movements.

Begone, wretched spawn of Hell's unholy bowels!

Do you have regular bowel movements?

I have trouble with my bowels.

When was your last bowel movement?

Shortly thereafter, Antiochus was struck with an incurable disease in his bowels and worms bred so fast in his body that whole streaks of his flesh sometimes dropped from him.

I told him about my bowels problems.

It moves the bowels.