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"Why should they object to eating human flesh," I asked, "if it is true that they look upon us as lower animals?" "It is not because they consider us their equals that they are supposed to look with abhorrence upon those who eat our flesh," replied Ja; "it is merely that we are warm-blooded animals.
And out of this data, a picture of Morua VIII and its inhabitants began to emerge. The Moruans were moderately intelligent creatures, warm-blooded air breathers with an oxygen-based metabolism. Their planet was cold, with 17 per cent oxygen and much water vapor in its atmosphere.
It isn't your mind that is needed here, or what you know; it is your heart, and what you feel. You are full of poetry, of ideals, of generous, unselfish impulses. You see the human, the warm-blooded side of things. THAT is what is really valuable. THAT is how you can help!" "You overestimate me sadly," protested Theron, though with considerable tolerance for her error in his tone.
This proposition, and the one from which it is derived, are exactly equivalent, and either of them may be substituted for the other; for, to say that when the attributes of a quadruped are present, those of a warm-blooded creature are present, is to say that when the latter are absent the former are absent.
He stands alone among reptiles. His heart has two ventricles, and you would think that he ought to be included in the class of warm-blooded animals. But, no. The separation of the two kinds of blood takes place in the heart, it is true, and it is really true arterial blood which the aorta carries away from the left ventricle. But the right ventricle has two doors of exit.
Those animals, therefore, which respire frequently, and consequently consume much oxygen, possess a higher temperature than others, which, with a body of equal size to be heated, take into the system less oxygen. All animals, strictly speaking, are warm-blooded; but in those only which possess lungs is the temperature of the body quite independent of the surrounding medium.
Thus through the simple continuance and interaction of processes that began far back in the world of warm-blooded animals, we get at last a creature essentially different from all others. Through the complication of effects the heaping up of minute differences in degree has ended in bringing forth a difference in kind.
"We're right over one o' my best lobster rocks," said Chauncey, looking warm-blooded and cheerful again. "I'm satisfied not to be no further out; it's beginnin' to snow; see them big flakes a-comin'? I'll tell the boys about your signin' the paper; I do' know's you'd better resk it, either." "Why not?" said Joe Banks hastily.
The most trustworthy observations prove that in all climates, in the temperate zones as well as at the equator or the poles, the temperature of the body in man, and in what are commonly called warm-blooded animals, is invariably the same; yet how different are the circumstances under which they live!
"Well, Governor, you know how it is. Our boys are as big-hearted as any in this big-hearted Western country. You know, Governor. Those generous, warm-blooded spirits are ever ready for anything." "Especially after Mrs. Slaghammer's whiskey," remarked the Governor. The coroner shot a shrewd eye at Wyoming's chief executive.
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