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Cold-blooded is a loose layman's term that may refer to:
Cold-blooded could also refer to:
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Cold-blooded animals are animals that can't control the temperature of their body. Some cold-blooded animals sit in the sun when they are cold and sit in the shade when they are hot, for example: reptiles such as lizards and turtles. Other animals do not try to change their body temperature at all, for example: insects. Animals whose bodies control their body temperature are called warm-blooded.
Cold-blooded animals do not actually have cold blood all the time. If the animal's body is warm, then its blood will be warm, too. The scientific word for cold-blooded is poikilotherm.