SYSTOLE
| Date | Clue |
|---|---|
| 2022-01-16 | Rhythmic part of a heartbeat |
| 2021-04-04 | Part of a heartbeat |
| 2019-01-12 | Cardiac contraction |
| 2008-07-09 | Part of a heartbeat |
| 2006-05-07 | Part of a heartbeat |
| 2003-11-13 | Normal rhythmical contraction of the heart |
| 2003-09-07 | Part of a heartbeat |
| 1999-06-13 | Heart contraction |