...From these organs it returnsthrough the pulmonary veins into the left auricle, and passes thenceinto the ventricles of the same side, by the contraction of which it isdriven into the aorta... 
Robert Jennings 「Sheep, Swine, and Poultry」
...The heart is situated in the middle line of the chest, its apex pointing to the sternum, and is inclosed in a strong pericardium: it is made up of two aurieles and two ventricles...
David Collins 「An Account of the English Colony in New South Wales, Vol. 2」
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