| 21. | He said the presence of a four-chambered heart became obvious.
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| 22. | The weapon was cleared and resumed firing with the next chambered round.
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| 23. | Hippopotamuses have three-chambered stomachs and do not ruminate.
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| 24. | Similar to ruminants the sperm whale has a four-chambered stomach.
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| 25. | In general, anti-materiel rifles are chambered for 20mm cartridges.
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| 26. | The weapon is chambered for FN's 5.7?8mm ammunition.
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| 27. | Crocodilian embryos develop fully 4-chambered hearts at an early stage.
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| 28. | It is possibly the remains of a chambered long barrow.
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| 29. | The cartridge was first chambered in the Ruger Hawkeye single shot pistol.
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| 30. | These were the two principle firearms chambered for the . 256 Win.
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