endotherm
/ˈɛndoʊˌθɜːrm/
noun
- An animal that maintains a constant body temperature internally, such as mammals and birds.
- Humans are endotherms, which means we generate our own body heat.
- Unlike reptiles, endotherms can stay active in cold weather.
- Birds are endotherms and keep their body temperature steady even while flying at high altitudes.
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