
You are playing outside. It is hot. What’s this? Your face feels wet. Don’t worry! It’s just sweat! Sweat is our body’s way of cooling us down.
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Look outside. Is it fall where you live? It is … read more
Humans are mammals. Humans sweat when their bodies get hot. … read more
Penguins are birds that swim. They do not fly. They … read more
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