Why can humans not listen to very low frequency vibrations?

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Tags

1. #infrasound
2. #cycles
3. #sufficiently
4. #becomes
5. #hearing
6. #perceive
7. #lower
8. #normal
9. #human
10. #referred
11. #sensitive
12. #limit
13. #gradually
14. #frequency
15. #sound
16. #second
17. #decreases
18. #pressure
19. #humans
20. #sometimes