21.   This results in a ball of cells, which then proceeds to burrow into the wall of the uterus.

22.   Tilda appeared with a ball of oozing clay in her arms which she flung down on the table.

23.   Tucking himself into a ball of boots and flak jacket, the Squat bounced and rolled half a dozen times.

24.   Typical of young shearwaters, it was just a ball of grey down with a beak sticking out.

25.   When that first cup of coffee was finished, a ball of fear nestled in the pit of my stomach.

26.   The chicks were just balls of yellow fluff.

27.   Intense balls of flame rose up into the sky.

28.   Untwisted the ball of thread.

29.   As the name suggests, a yarn winder is a device used to wind balls of yarn.

30.   He turned on the balls of his feet and spread his arms wide.