21.   Laughing, smiling, our hearts racing as we run.

22.   My heart already racing, I reminded myself that the real contest is already over.

23.   Most people have felt their palms grow sweaty or their hearts race at parties or business meetings.

24.   My heart raced while I stitched.

25.   Now here I was about to speak to a couple dozen rug rats, and my palms were sweaty, my heart racing.

26.   Now hearts must race to keep pace, and brains will simply be along for the ride.

27.   She said her daughter had complained recently that her heart was racing, and she offered to take her to a doctor, but Guenther declined.

28.   Soon he found himself breathless, his heart racing.

29.   Then one day her heart was racing so wildly, she rushed to a cardiologist.

30.   They checked my heart and found out my heart was racing ...